OKAMOTO Kiyomi 岡本清美

… Alternative Names

岡本清美オカモトキヨミ

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Researcher Number	40152342
Other IDs
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Affiliation (based on the past Project Information) *help	2008 – 2009: 東京工業大学, 理工学研究科, 助教 2007 – 2008: Tokyo Institute of Technology, Tokyo Institute of Technology, Assistant Professor 2006: 東京工業大学, 大学院理学研究科, 助教 2006: 東京工業大学, 大学院理工学研究科 2006: 東京工業大学, 大学院理工学研究科, 助手 … More 2002 – 2005: 東京工業大学, 大学院・理工学研究科, 助手 1996: 東京工業大学, 理学部, 助手 1993 – 1994: 東京工業大学, 理学部, 助手 1992: 東工大, 理学部, 助手 1991: 東京工業大学, 理学部, 助手 Less
Review Section/Research Field	Principal Investigator 固体物性Ⅱ(磁性・金属・低温) / Condensed matter physics II / 物性一般(含基礎論) Except Principal Investigator Science and Engineering / Condensed matter physics II / 物性一般(含基礎論)
Keywords	Principal Investigator 量子スピン / 磁性体 / 磁化プラトー / 低次元系 / フラストレーション / 量子相転移 / magnetization curve / magnetization plateau / spin gap / quantum phase transition … More / spin chain / low-dimensional magnets / アズライト / BIP-TENO / レベルスペクトロスコピー / スピン液体 / 非磁性基底状態 / 磁気相図 / 非磁性性基底状態 / 磁場誘起スピンギャップ / 磁化曲線 / スピンギャップ / スピン鎖 / 低次元磁性体 / 統計力学 / スピン / 低次元 / ボンド変化 / 競合相互作用 / 磁性 / ひわりの方法 / 数値的対角比 / KT転移 / サイン・ゴルドン模型 … More Except Principal Investigator スピンギャップ / 量子スピン系 / スピン液体 / 相転移 / ナノ磁性体 / 低次元系 / 量子相転移 / スピンナノチューブ / カイラリティ / リング交換 / 強相関電子系 / 不完全秩序相 / ひねりの方法 / 1次転移 / nanomagnets / low-dimensional systems / quantum phase transition / spin gap / spin nanotube / スピンギヤツプ / ナノ磁性 / ナノチューブ / 磁性 / スーパーソリッド / 磁化プラトー / スピンラダー / 超伝導 / キャリア・ドープ / スピンチューブ / 量子ゆらぎ / Haldane問題 / 量子スピン鎖 / レベル・スペクトロスコピー / KT転移 / ユニバーサルジャンプ / SOSモデル / クロックモデル / モンテカルロ法 / 秩序相 / 界面 / モンテカルロシミュレーション / 有限サイズスケーリング / スピングラス / 古典スピン系 / 有限サイズスケ-リング / モンテカルロシミュレ-ション / 界面の方法 Less

強相関電子系のリング交換が引起す新奇な量子凝縮相の理論的・数値的探索
- Principal Investigator
  
  坂井徹
- Project Period (FY)
  2008 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Japan Atomic Energy Agency
Theoretical and numerical study on anomalous quantum phenomena in the spin nanotubes
- Principal Investigator
  
  SAKAI Toru
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Condensed matter physics II
- Research Institution
  University of Hyogo
  Japan Atomic Energy Agency
キャリア・ドープしたスピンチューブにおけるカイラリティ誘起超伝導の理論的研究
- Principal Investigator
  
  坂井徹
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Japan Atomic Energy Agency
強相関電子系におけるリング交換がもたらすエキゾティックな量子現象の理論的研究
- Principal Investigator
  
  SAKAI Toru
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Japan Atomic Energy Agency
Competition and cooperation between the bond change and the frustration in low-dimensional quantum spin systemsPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Kiyomi, 岡本清美
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Tokyo Institute of Technology
Theoretical and Numerical Study on Anomalous Quantum Phenomena of the Spin Nanotube
- Principal Investigator
  
  SAKAI Toru
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Japan Atomic Energy Institute
New Developments in the Theory of Non-Magnetic Ground State and Magnetic-Field-Induced Spin Gap in Low Dimensional Spin SystemsPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Kiyomi
- Project Period (FY)
  2002 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  固体物性Ⅱ(磁性・金属・低温)
- Research Institution
  Tokyo Institute of Technology
レベルスペクトロスコピー Kosterlitz-Thouless転移への新手法
- Principal Investigator
  
  野村清英
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  Tokyo Institute of Technology
1次元量子スピン系とサイン・ゴルドン模型-K.T.転移に対する数値的新手法Principal Investigator
- Principal Investigator
  
  岡本清美
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  Tokyo Institute of Technology
相転移と秩序相に対するひねりの方法の開発と応用
- Principal Investigator
  
  上野陽太郎
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tokyo Institute of Technology
相転移と秩序相に対する界面的方法の開発と応用
- Principal Investigator
  
  上野陽太郎
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tokyo Institute of Technology
相転移に対するモンテカルロ界面的方法の開発と応用
- Principal Investigator
  
  上野陽太郎
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tokyo Institute of Technology

All 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 Other

All Journal Article Presentation

[Journal Article] Magnetization Plateau of the Quantum Spin Nanotube2011
- Author(s)
  K.Okamoto
- Journal Title
  
  Physica E
  
  Volume: 43 Pages: 769-772
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Field Induced Exotic Phenomena of the S=1/2 Isosceles Three-Leg Quantum Spin Nanotube2010
- Author(s)
  T.Sakai, K.Okunishi, K.Okamoto, C.Itoi, M.Sato
- Journal Title
  
  J.Low Temp.Phys. 159
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Field Induced Exotic Phenomena of the S=1/2 Three-Leg Quantum Spin Nanotube2010
- Author(s)
  T. Sakai, K. Okunishi, K. Okamoto, C. Itoi and M. Sato
- Journal Title
  
  J. Low Temperature Phys
  
  Volume: 159 Pages: 55-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Quantum Spin Nanotubes-frustration, competing orders and criticalities2010
- Author(s)
  T. Sakai, M. Sato, K. Okamoto, K. Okunishi and C. Itoi
- Journal Title
  
  J. Phys. Condens. Matter
  
  Volume: 22
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya interaction2010
- Author(s)
  T.Sakai, K.Okamoto, T.Tonegawa
- Journal Title
  
  J.Phys. : Conf.Ser. 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] First-order phase transition between one-third magnetization plateau states in an anisotropic (S, S')=(1, 2) spin-alternating chain2010
- Author(s)
  T.Tonegawa, K.Okamoto, T.Sakai
- Journal Title
  
  Phys.Stat.Sol.(b) 247
  
  Pages: 688-690
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] First-Order Phase Transition between One-Third Magnetization Plateau States in an Anisotropic(S, S') Spin Alternating Chain2010
- Author(s)
  T. Tonegawa, K. Okamoto and T. Sakai
- Journal Title
  
  Physica Status Solidi B
  
  Volume: 247 Pages: 688-690
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Half Magnetization Plateau of a Frustrated S=1 Antiferromagnetic Chain2010
- Author(s)
  T. Tonegawa, H. Nakano, T. Sakai, K. Okamoto, K. Okunishi and K. Nomura
- Journal Title
  
  J. Phys. Conf. Ser
  
  Volume: 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Field-induced nematic phase in the spin ladder system with easy-axis anisotropy2010
- Author(s)
  T.Sakai, T.Tonegawa, K.Okamoto
- Journal Title
  
  Phys.Stat.Sol.(b) 247
  
  Pages: 583-585
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Quantum Spin Nanotubes-frustration, competing orders and criticalities2010
- Author(s)
  T.Sakai, M.Sato, K.Okunishi, K.Okamoto, C.Itoi
- Journal Title
  
  Journal of Physics : Condensed Matter 22
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Field Induced Exotic Phenomena of the S=1/2 Three-Leg Quantum Spin Nanotube2010
- Author(s)
  T.Sakai, K.Okunishi, K.Okamoto, C.Itoi, M.Sato
- Journal Title
  
  Journal of Low Temperature Physics 159
  
  Pages: 55-58
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Field Induced Exotic Phenomena of the S=1/2 Isosceles Three-Leg Quantum Spin Nanotube2010
- Author(s)
  Toru Sakai, Kouichi Okunishi, Kiyomi Okamoto, Chigak Itoi, Masahiro Sato
- Journal Title
  
  J. Low Temp. Phys. 159
  
  Pages: 55-59
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya interaction2010
- Author(s)
  T. Sakai, T. Tonegawa and K. Okamoto
- Journal Title
  
  J. Phys. Conf. Ser
  
  Volume: 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Field-induced nematic phase in the spin ladder system with easy-axis anisotropy2010
- Author(s)
  Toru Sakai, Takashi Tonegawa, Kiyomi Okamoto
- Journal Title
  
  Phys. Stat. Sol. 247
  
  Pages: 583-585
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Field-Induced Nematic Phase in the Spin Ladder System with Easy-Axis Anisotropy2010
- Author(s)
  T. Sakai, T. Tonegawa and K. Okamoto
- Journal Title
  
  Physica Status Solidi B
  
  Volume: 247 Pages: 583-585
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Half Magnetization Plateau of a Frustrated S=1 Antiferromagnetic Chain2010
- Author(s)
  T Tonegawa, H.Nakano, T.Sakai, K.Okamoto, K.Okunishi, K.Nomura
- Journal Title
  
  J.Phys. : Conf.Ser. 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] First-order phase transition between one-third magnetization plateau states in an anisotropic (S, S') = (1, 2) spin-alternating chain2010
- Author(s)
  Takashi Tonegawa, Kiyomi Okamoto, Toru Sakai
- Journal Title
  
  Phys. Stat. Sol. 247
  
  Pages: 688-690
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Elementary Excitations and Spin Dynamics in Nanowire Quantum Magnets2009
- Author(s)
  T.Sakai, K.Okamoto, T.Tonegawa
- Journal Title
  
  Int.J.Mod.Phys.C 20
  
  Pages: 1467-1476
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Magnetic Field versus Temperature Phase Diagram of the Spin-1/2 Alternating Chain Compound F_5PNN2009
- Author(s)
  Y.Yoshida, T.Kawae, Y.Hosokoshi, K.Inoue, N.Maeshima, K.Okunishi, K.Okamoto, T.Sakai
- Journal Title
  
  J.Phys.Soc.Jpn. 78
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Field-Induced Incommensurate Order and Possible Supersolid in the S=1/2 Frustrated Diamond Chain2009
- Author(s)
  T. Sakai, K. Okamoto, T. Tonegawa
- Journal Title
  
  J. Phys. : Conf. Ser. 145
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Elementary Excitations and Spin Dynamics in Nanowire Quantum Magnets2009
- Author(s)
  Toru Sakai, Takashi Tonegawa, Kiyomi Okamoto
- Journal Title
  
  Int. J. Mod. Phys. 20
  
  Pages: 1467-1476
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Magnetic Field versus Temperature Phase Diagram of the Spin-1/2 Alternating Chain Compound F5PNN2009
- Author(s)
  Yasuo Yoshida, Tatsuya Kawae, Yuko Hosokoshi, Katsuya Inoue, Nobuya Maeshima, Koichi Okunishi, Kiyomi Okamoto, Toru Sakai
- Journal Title
  
  J. Phys. Soc. Jpn. 78
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Elementary excitations and spin dynamics in nanowire quantum magnets2009
- Author(s)
  T. Sakai, T. Tonegawa and K. Okamoto
- Journal Title
  
  Int. J. Mod. Phys. C
  
  Volume: 20 Pages: 1467-1476
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Two-step Quantum Spin Flop Transition in Spin Ladders2009
- Author(s)
  T. Sakai, K. Okamoto, T. Tonegawa
- Journal Title
  
  J. Phys. : Conf. Ser. 150
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Two-step quantum spin flop transition in spin ladders2009
- Author(s)
  T. Sakai, T. Tonegawa and K. Okamoto
- Journal Title
  
  J. Phys. Conf. Series
  
  Volume: 150
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Ground-State Phase Diagram of an (S, S')=(1, 2) Spin-Alternating Chain with Competing Single-Ion Anisotropies2009
- Author(s)
  T. Tonegawa, K Okamoto, T. Sakai, M. Kaburagi
- Journal Title
  
  J. Phys. : Conf. Ser. 145
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Field-Induced Incommensurate Order and Possible Supersolid in the S=1/2 Frustrated Diamond Chain2009
- Author(s)
  T. Sakai, K. Okamoto and T. Tonegawa
- Journal Title
  
  J. Phys. Conf. Series
  
  Volume: 145
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Magnetic Field versus Temperature Phase Diagram of the Spin-1/2 Alternating-Bond Chain Compound F5PNN2009
- Author(s)
  Y. Yoshida, T. Kawae, Y. Hosokoshi, K. Inoue, N. Maeshima, K. Okunishi, K. Okamoto and T. Sakai
- Journal Title
  
  J. Phys. Soc. Jpn
  
  Volume: 78
- NAID
  130005437533
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Ground-State Phase Diagram of an(S, S')=(1, 2) Spin-Alternating Chain with Competing Single-Ion Anisotropies2009
- Author(s)
  T. Tonegawa, T. Sakai, K. Okamoto and M. Kaburagi
- Journal Title
  
  J. Phys. Conf. Series
  
  Volume: 145
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Quantum phase transitions of the asymmetric three-leg spin tube2008
- Author(s)
  T. Sakai, M. Sato, K. Okunishi, Y. Otsuka, K. Okamoto and C. Itoi
- Journal Title
  
  Phys.Rev.B 78
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Quantum phase transitions of the asymmetric three-leg spin tube2008
- Author(s)
  T.Sakai, M.Sato, K.Okunishi, Y.Otsuka, K.Okamoto, C.itoi
- Journal Title
  
  Physical Review B78
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Quantum phase transitions of the asymmetric three-leg spin tube2008
- Author(s)
  T. Sakai, M. Sato, K. Okunishi, Y. Otsuka, K. Okamoto, C. Itoi
- Journal Title
  
  Phys. Rev. B 78
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Quantum phase transitions of the asymmetric three-leg spin tube2008
- Author(s)
  T. Sakai, M. Sato, K. Okunishi, Y. Otsuka, K. Okamoto and C. Itoi
- Journal Title
  
  Phys. Rev. B
  
  Volume: 78
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340096
[Journal Article] Interplay between the Trimerization and Frustration in Spin 1/2 Distorted Deamond Type Spin Chain with the XXZ Anisotropy2007
- Author(s)
  K.Okamoto, A.Tokuno, T.Sakai
- Journal Title
  
  J. Mag. Mag. Mat. 310・2
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Quantum Spin Flop Transition in Nanowire Ferrimagnets2007
- Author(s)
  T. Sakai, K. Okamoto and T. Tonegawa
- Journal Title
  
  Physica E 40
  
  Pages: 359-362
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Field-Induced Incommensurate Order in Frustrated Spin Ladder2007
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  J. Phys. : Cond. Matter 19・14
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Field-Induced Incommensurate Order in Frustrated Spin Ladder2007
- Author(s)
  Toru Sakai, Kiyomi Okamoto
- Journal Title
  
  J. Phys. : Cond. Matter 19
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Finite-Field Ground State of an $S=1$ Zigzag Ladder2007
- Author(s)
  T.Tonegawa, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J. Mag. Mag. Mat. 310・2
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] One-Third Magnetization Plateau in an Anisotropic(S, S')=(1, 2)Spin-Alternating Chain2007
- Author(s)
  T. Tonegawa, T. Sakai, K. Okamoto and M. Kaburagi
- Journal Title
  
  J. Phys. Soc. Jpn 76
- NAID
  210000107031
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] One-Third Magnetization Plateau in an Anisotropic (S,S')=(1,2) Spin-Alternating Chain2007
- Author(s)
  T. Tonegawa, T. Sakai, K. Okamoto and M. Kaburagi
- Journal Title
  
  J. Phys. Soc. Jpn. 76
- NAID
  210000107031
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Quantum Phase Transition in the Three-Leg Spin Nanotube2007
- Author(s)
  T.Sakai, K.Okunishi, K.Okamoto, 他3名
- Journal Title
  
  J. Mag. Mag. Mat. 310・2
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Interplay between the trimerization and frustration in spin-1/2 disordered diamond type spin chain with the XXZ anisotropy2007
- Author(s)
  K.Okamoto
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340100
[Journal Article] Interplay between the Trimerization and Frustration in Spin-1/2 Distorted Diamond Type Spin Chain with the XXZ Anisotropy2007
- Author(s)
  K. Okamoto
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19014019
[Journal Article] Interplay between the Trimerization and Frustration in Spin-1/2 Distorted Diamond Type Spin Chain with the XXZ Anisotropy2007
- Author(s)
  K. Okamoto
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18043023
[Journal Article] Quantum Spin Flop Transition in Nanowire Ferrimagnets2007
- Author(s)
  T. Sakai, T. Tonegawa and K. Okamoto
- Journal Title
  
  Physica E 40
  
  Pages: 359-362
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Quantum Spin Flop Transition in Nanowire Ferrimagnets2007
- Author(s)
  Toru Sakai, Kiyomi Okamoto, Takashi Tonegawa
- Journal Title
  
  Physica E 40
  
  Pages: 359-362
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Interplay between the Trimerization and Frustration in Spin-1/2 Distorted Diamond Type Spin Chain with the XXZ Anisotropy2007
- Author(s)
  K. Okamoto
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340100
[Journal Article] One-Third Magnetization Plateau in an Anisotropic (S, S')=(1, 2) Spin-Alternating Chain2007
- Author(s)
  Takashi Tonegawa, Toru Sakai, Kiyomi Okamoto, Makoto Kaburagi
- Journal Title
  
  J. Phys. Soc. Jpn 76
- NAID
  210000107031
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Interplay between the trimerization and frustration in spin-1/2 disordered diamond type spin chain with the XXZ anisotropy2007
- Author(s)
  K.Okamoto
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
- Data Source
  KAKENHI-PROJECT-18043023
[Journal Article] Quantum Magnetization Plateau of an Anisotropic Mixed Spin Chain2006
- Author(s)
  T.Sakai, T.Tonegawa, K.Okamoto
- Journal Title
  
  J. Phys. : Conf. Ser. 51
  
  Pages: 163-166
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] 1/3 magnetization plateau in a one-dimensional anisotropic ferrimagnet2006
- Author(s)
  T.Tonegawa, T.Sakai, K.Okamoto, M.Kaburagi
- Journal Title
  
  J. Phys. : Conf. Ser. 51
  
  Pages: 171-174
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Possibility of field-induced incommensurate order in quasi-one-dimensional frustrated spin system2006
- Author(s)
  N.Maeshima, K.Okunishi, K.Okamoto, 他
- Journal Title
  
  J.Phys. : Condensed Matter 18・20
  
  Pages: 4819-4826
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Possibility of field-induced incommensurate order in a quasi-onedimensional frustrated spin system2006
- Author(s)
  Nobuya Maeshima, Kouichi Okunishi, Kiyomi Okamoto, Toru Sakai, Kenji Yonemitsu
- Journal Title
  
  J. Phys. : Condensed Matter 18
  
  Pages: 4819-4826
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Inversion phenomena and phase diagram of the S=1/2 distorted diamond chain with the XXZ interaction anisotropy2005
- Author(s)
  A.Tokuno, K.Okamoto
- Journal Title
  
  J.Phys.Soc.Jpn.Suppl. 74
  
  Pages: 157-160
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateau of S=1 Spin Ladder BIP-TENO2005
- Author(s)
  M.Kikuchi, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  Prog.Theor.Phys.Suppl. 159
  
  Pages: 251-255
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Inversion phenomena and phase diagram of the S =1/2 distorted diamond chain with the XXZ interaction anisotropy2005
- Author(s)
  A.Tokuno, K.Okamoto
- Journal Title
  
  J. Phys. Soc. Jpn. 74・Suppl
  
  Pages: 157-160
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Inversion phenomena and phase diagram of the S=1/2 distorted diamond chain with the XXZ interaction anisotropy2005
- Author(s)
  A.Tokuno, K.Okamoto
- Journal Title
  
  J.Phys.Soc.Jpn. 74 Suppl.
  
  Pages: 157-160
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Finite-Field Ground State of the S=1 Antiferromagnetic-Ferromagnetic Bond-Alternating Chain2005
- Author(s)
  T.Tonegawa, K.Okamoto, M.Kaburagi
- Journal Title
  
  J.Phys.Soc.Jpn. 74 Suppl.
  
  Pages: 161-164
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-State Phase Diagram of the S=1/2 Distorted Diamond Type Spin Chain with Ferromagnetic Interactions2005
- Author(s)
  K.Okamoto, T.Tonegawa, T.Yamada, 他
- Journal Title
  
  Prog. Theor. Phys. Suppl. 159
  
  Pages: 17-21
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Spin Ladder with Ring Exchange2005
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  J.Phys.Chem.Solids 66・8-9
  
  Pages: 1450-1453
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-state phase diagram of the distorted diamond type S=1/2 quantum spin chain with the XXZ anisotropy2005
- Author(s)
  K.Okamoto
- Journal Title
  
  Journal of Physics and Chemistry of Solids 66
  
  Pages: 1442-1445
- Data Source
  KAKENHI-PROJECT-17340100
[Journal Article] Half plateau phase diagram in generalized zig-zag spin ladder2005
- Author(s)
  A.Tokuno, K.Okamoto, T.Tonegawa
- Journal Title
  
  Prog.Theor.Phys.Suppl. 159
  
  Pages: 265-270
- NAID
  210000128056
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-State Phase Diagram of the S=1/2 Distorted Diamond Type Spin Chain with Ferromagnetic Interactions2005
- Author(s)
  K.Okamoto et al.
- Journal Title
  
  Prog.Theor.Phys.Suppl. 159
  
  Pages: 17-21
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Energy Gap of Spin Nanotube2005
- Author(s)
  T.Sakai, M.Matsumoto, K.Okunishi, K.Okamoto, M.Sato
- Journal Title
  
  Physica E 29・3-4
  
  Pages: 633-636
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-State Phase Diagram of the S=1/2 Distorted Diamond Type Spin Chain with Ferromagnetic Interactions2005
- Author(s)
  K.Okamoto, T.Tonegawa, T.Yamada, 他3名
- Journal Title
  
  Prog.Theor.Phys.Suppl. 159
  
  Pages: 17-21
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateaux of an S=1 Frustrated Spin Ladder2005
- Author(s)
  K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J.Phys.Soc.Jpn.Suppl. 74
  
  Pages: 165-168
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Process of the S=1 frustrated Two-Leg Ladder2005
- Author(s)
  K.Okamoto
- Journal Title
  
  Journal of Physical Society of Japan Supplement 74
  
  Pages: 165-168
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340100
[Journal Article] Field-induced phase transitions and long-range orders in the S=1/2 spin bond-alternating chain with frustrating interaction2005
- Author(s)
  N.Maeshima, K.Okunishi, K.Okamoto, 他2名
- Journal Title
  
  J.Phys.Soc.Jpn.Suppl. 74
  
  Pages: 63-66
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Finite-Field Ground State of the S=1 Antiferromagnetic-Ferromagnetic Bond-Alternating Chain2005
- Author(s)
  T.Tonegawa, K.Okamoto, M.Kaburagi
- Journal Title
  
  J.Phys.Soc.Jpn.Suppl. 74
  
  Pages: 161-164
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateau of $S=1$ Spin Ladder BIP-TENO2005
- Author(s)
  M.Kikuchi, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  Prog.Theor.Phys.Suppl. 159
  
  Pages: 251-255
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-State Phase Diagram of the S=1/2 Distorted Diamond Type Spin Chain with Ferromagnetic Interactions2005
- Author(s)
  K.Okamoto
- Journal Title
  
  Progress of Theoretical Physics Supplement 159
  
  Pages: 17-21
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340100
[Journal Article] Magnetization Plateaux of an S=1 Frustrated Spin Ladder2005
- Author(s)
  K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J. Phys. Soc. Jpn. 74・Supp1
  
  Pages: 165-168
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Half plateau phase diagram in generalized zig-zap spin ladder2005
- Author(s)
  A.Tokuno, K.Okamoto, T.Tonegawa
- Journal Title
  
  Prog.Theor.Phys.Suppl. 159
  
  Pages: 265-270
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Finite-Field Ground State of the S=1 Antiferromagnetic-Ferromagnetic Bond-Altermating Chain2005
- Author(s)
  T.Tonegawa, K.Okamoto, M.Kaburagi
- Journal Title
  
  J. Phys. Soc. Jpn. 74・Supp1
  
  Pages: 161-164
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateaux of an S=1 Frustrated Spin Ladder2005
- Author(s)
  K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J.Phys.Soc.Jpn. 74 Suppl.
  
  Pages: 165-168
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-state phase diagram of the distorted diamond type S=1/2 quantum spin chain with the XXZ anisotropy2005
- Author(s)
  K.Okamoto, A.Tokunou, Y.Ichikawa
- Journal Title
  
  J.Phys.Chem.Solids 66・8-9
  
  Pages: 1442-1445
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Bond-Alternating S = 1 Spin Ladder in Magnetic Field2005
- Author(s)
  M.Kikuchi, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J. Phys. Chem. Solids 74・Supp1
  
  Pages: 169-172
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Ground-State Phase Diagram of the S=1/2 Distorted Diamond Spin Chain with Ferromagnetic Interactions2005
- Author(s)
  K.Okamoto
- Journal Title
  
  Progress of Theoretical Physics Supplement 159
  
  Pages: 17-21
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17340100
[Journal Article] Magnetization Plateau of $S=1$ Spin Ladder BIP-TENO2005
- Author(s)
  M.Kikuchi, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  Prog. Theor. Phys. Suppl. 159
  
  Pages: 251-255
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Half plateau phase diagram in generalized zig-zag spin ladder2005
- Author(s)
  A.Tokuno, K.Okamoto, T.Tonegawa
- Journal Title
  
  Prog. Theor. Phys. Suppl. 159
  
  Pages: 265-270
- NAID
  210000128056
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Bond-Alternating S=1 Spin Ladder in Magnetic Field2005
- Author(s)
  M.Kikuchi, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J.Phys.Soc.Jpn.Suppl. 74
  
  Pages: 169-172
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Energy Gap of Spin Nanotube2005
- Author(s)
  T.Sakai, M.Matsumoto, K.Okunishi, K.Okamoto, 他
- Journal Title
  
  Physica E 23・3-4
  
  Pages: 633-636
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Spin Ladder with Ring Exchange2005
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  J. Phys. Chem. Solids 66・8-9
  
  Pages: 1442-1445
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Spin Ladder with Ring Exchange2005
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  J.Phys.Chem.Solids 66
  
  Pages: 1442-1445
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Anomalous magnetization process in frustrated spin ladders2004
- Author(s)
  T.Sakai, K.Okamoto, K.Okunishi, M.Sato
- Journal Title
  
  J. Phys. : Cond. Matter 16・11
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Frustration-Induced eta Inversion in the S=1/ Bond-Alternating Spin Chain2004
- Author(s)
  N.Maeshima, K.Okunishi, K.Okamoto, T.Sakai
- Journal Title
  
  Phys.Rev.Lett. 93
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Frustration-Induced η Inversion in the S=1/2 Bond-Alternating Spin Chain2004
- Author(s)
  N.Maeshima, K.Okunishi, K.Okamoto, T.Sakai
- Journal Title
  
  Phys.Rev.Lett. 93・12
  
  Pages: 127203-127203
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateau and Cusp in S=1 Spin Ladder2004
- Author(s)
  T.Sakai, K.Okamoto他7名
- Journal Title
  
  Physica B 346-347
  
  Pages: 34-37
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Anomalous magnetization process in frustrated spin ladders2004
- Author(s)
  T.Sakai, K.Okamoto, K.Okunishi, M.Sato
- Journal Title
  
  J.Phys. : Cond.Matter 16・11
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Frustration-Induced η in the S=1/2 Bond-Alternating Spin Chain2004
- Author(s)
  N.Maeshima, K.Okunishi, K.Okamoto, T.Sakai
- Journal Title
  
  Phys. Rev. Lett. 93・12
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Anomalous magnetization process in frustrated spin ladders2004
- Author(s)
  T.Sakai, K.Okamoto, K.Okunishi, M.Sato
- Journal Title
  
  J.Phys. : Cond.Matter 16
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization plateau in an anisotropic S=1/2 antiferromagnetic chain with frustration and bond-alternation2004
- Author(s)
  T.Tonegawa, K.Okamoto他3名
- Journal Title
  
  Physica B 346-347
  
  Pages: 50-54
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Phase diagram of the S=1/2 two-leg spin ladder with staggered bond alternation2003
- Author(s)
  K.Okamoto
- Journal Title
  
  Phys.Rev.B 67
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Phase diagram of the S=1/2 two-leg spin ladder with staggered bond alternation2003
- Author(s)
  K.Okamoto
- Journal Title
  
  Phys. Rev. B 67・21
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetic Properties of S=1/2 Distorted Diamond Chain2003
- Author(s)
  K.Okamoto, T.Tonegawa, M.Kaburagi
- Journal Title
  
  J.phys. : Cond.Matter 15
  
  Pages: 5979-5995
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetic Properties of S=1/2 Distorted Diamond Chain2003
- Author(s)
  K.Okamoto, T.Tonegawa, M.Maburagi
- Journal Title
  
  J. Phys. : Condesed Matter 15・35
  
  Pages: 5979-5995
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Spin-Peierls Mechanism for the Non-Trivial Magnetization Plateaux in Two-Leg Spin Ladders2003
- Author(s)
  K.Okamoto, T.Sakai
- Journal Title
  
  Physica B 329-333
  
  Pages: 1207-1208
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Spin-Peierls Mechanism for the Non-Trivial Magnetization Plateaux in Two-Leg Spin Ladders2003
- Author(s)
  K.Okamoto, T.Sakai
- Journal Title
  
  Physica B 329-333・2
  
  Pages: 1207-1208
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Transitions and Spin Gaps in Low-Dimensional Quantum Antiferromagnets2002
- Author(s)
  T.Sakai, K.Okamoto, N.Okazaki
- Journal Title
  
  Proceedings of French-Japanese Symposium on Quantum Properties of Low-Dimensional Antiferromagnets
  
  Pages: 62-69
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Mechanisms for Non-Trivial Magnetization Plateaux of an S=1 Frustrated Spin Ladder2002
- Author(s)
  K.Okamoto, N.Okazaki, T.Sakai
- Journal Title
  
  J.Phys.Soc.Jpn.Suupl. 71
  
  Pages: 196-98
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Anisotropies of the Hamiltonian and the Wave Function --- Inversion Phenonema in Quantum Spin Chains2002
- Author(s)
  K.Okamoto
- Journal Title
  
  Prog.Theor.Phys.Suppl. 145
  
  Pages: 208-211
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Quantum Magnetization Plateaux of an anisotropic ferrimagnetic spin chain2002
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  Physs.Rev.B 65
  
  Pages: 214403-214408
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Mechanisms for Non-Trivial Magnetization Plateaux of an S=1 Frustrated Spin Ladder2002
- Author(s)
  K.Okamoto, N.Okazaki, T.Sakai
- Journal Title
  
  J. Phys. Soc. Jpn. Suupl. 71
  
  Pages: 196-198
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Quantum Magnetization plateaux of an anisotropic ferrimagnetic spin chain2002
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  Physs. Rev. B 65・21
  
  Pages: 214403-214408
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Level Spectroscopy : Physical Meaning and Application to Magnetization Plateaux2002
- Author(s)
  K.Okamoto
- Journal Title
  
  Prog. Theor. Phys. Suppl. 145
  
  Pages: 113-118
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Anisotropies of the Hamiltonian and the Wave Function --- Inversion Phenonema in Quantum Spin Chains2002
- Author(s)
  K.Okamoto
- Journal Title
  
  Prog. Theor. Phys. Suppl. 145
  
  Pages: 208-211
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateau in the S=1 Spin Ladder with Competing Interactions2002
- Author(s)
  N.Okazaki, K.Okamoto, T.Sakai
- Journal Title
  
  J. Phys. Chem. Solids 63・6-8
  
  Pages: 1455-1458
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave-Function in the Distorted Diamond Type Spin Chain2002
- Author(s)
  K.Okamoto, Y.Ichikawa
- Journal Title
  
  J.Phys.Chem.Solids 63
  
  Pages: 1575-1578
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateau in the S=1 Spin Ladder with Competing Interactions2002
- Author(s)
  N.Okazaki, K.Okamoto, T.Sakai
- Journal Title
  
  J.Phys.Chem.Solids 63
  
  Pages: 1455-1458
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave-Function in the Distorted Diamond Type Spin Chain2002
- Author(s)
  K.Okamoto, Y.Ichikawa
- Journal Title
  
  J. Phys. Chem. Solids 63・6-8
  
  Pages: 1575-1578
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Level Spectroscopy : Physical Meaning and Application to Magnetization Plateaux2002
- Author(s)
  K.Okamoto
- Journal Title
  
  Prog.Theor.Phys.Suppl. 145
  
  Pages: 113-118
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Inversion phenomena and phase diagram of the S=1/2 distorted diamond chain with the XXZ interaction anisotropy
- Author(s)
  A.Tokuno, K.Okamoto
- Journal Title
  
  J.Phys.Soc.Jpn. (発表予定)
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Quai-1D S=1 Antiferromagnet
- Author(s)
  T.Sakai, K.Okamoto, K.Okunishi, T.Tonegawa
- Journal Title
  
  LT24 proceedings (印刷中)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Magnetization Plateau of the Quantum Spin Nanotube
- Author(s)
  Kiyomi Okamoto, Masahiro Sato, Kouichi Okunishi, Toru Sakai, Chigak Itoi
- Journal Title
  
  to be published in Physica E
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Half Magnetization Plateau in a Frustrated S=1 Antiferromagnetic Chain
- Author(s)
  T.Tonegawa, T.Sakai, H.Nakano, K.Okamoto, K.Okunishi, K.Nomura
- Journal Title
  
  J.Phys. : Conf.Ser. (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya Interaction
- Author(s)
  T.Sakai, K.Okamoto, T.Tonegawa
- Journal Title
  
  J.Phys. : Conf.Ser. (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540340
[Journal Article] Theory of Excitation Modes in Diamond Chain Compound Cu_3(CO_3)_2(OH)_2
- Author(s)
  M.Matsumoto, T.Yamada, K.Koga, K.Okamoto, T.Sakai
- Journal Title
  
  Physica B (印刷中)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Quai-1D S=1 Antiferromagnet
- Author(s)
  T.Sakai, K.Okamoto, K.Okunishi, T.Tonegawa
- Journal Title
  
  Proc.24th Int.Conf.Low Temp.Phys. (掲載決定)(出版予定)
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Theory of Excitation Modes in Diamond Chain Compound Cu_3 (CO_3)_2(OH)_2
- Author(s)
  M.Matsumoto, T.Yamada, K.Koga, K.Okamoto, T.Sakai
- Journal Title
  
  Physica B (掲載決定)(出版予定)
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Quai-1D S=1 Antiferromagnet
- Author(s)
  T.Sakai, K.Okamoto, K.Okunishi, T.Tonegawa
- Journal Title
  
  LT24 proceedings (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Theory of Excitation Modes in diamond Chain compound Cu_3(CO_3)_2(OH)_2
- Author(s)
  M.Matsumoto, T.Yamada, K.Koga, K.Okamoto, T.Sakai
- Journal Title
  
  Physica B (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Bond-Alternating S=1 Spin Ladder in Magnetic Field
- Author(s)
  M.Kikuchi, K.Okamoto, K.Okunishi, T.Sakai
- Journal Title
  
  J.Phys.Soc.Jpn. (発表予定)
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Finite-Field Ground State of the S=1 Antiferromagnetic-Ferromagnetic Bond-Alternating Chain
- Author(s)
  T.Tonegawa, K.Okamoto, M.Kaburagi
- Journal Title
  
  J.Phys.Soc.Jpn. (発表予定)
- Data Source
  KAKENHI-PROJECT-14540329
[Journal Article] Field-Induced Incommensurate Order in Spin Ladder with Ring Exchange
- Author(s)
  T.Sakai, K.Okamoto
- Journal Title
  
  J.Phys.Chem.Solids (発表予定)
- Data Source
  KAKENHI-PROJECT-14540329
[Presentation] Anomalous Behavior of the Magnetization Plateau Width of an S=1/2 Isosceles Triangle Spin Nanotube2010
- Author(s)
  Kiyomi Okamoto, Toru Sakai, Masahiro Sato, Kouichi Okunishi, Chigak Itoi
- Organizer
  International Symposium on Physics of New Quantum Phases in Superclean Materials
- Place of Presentation
  はまぎんホール, 横浜
- Year and Date
  2010-03-08
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] フラストレートした3本鎖スピンラダーのフェリ相とスピン液体相2010
- Author(s)
  安部祥平, 坂井徹, 岡本清美
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学津島キャンパス
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 3本足スピンナノチューブにおける磁化プラトー幅の異常な振舞い2010
- Author(s)
  岡本清美, 佐藤正寛, 奥西巧一, 坂井徹, 糸井千岳
- Organizer
  量子スピン系研究会
- Place of Presentation
  敦賀市西公民館
- Year and Date
  2010-01-06
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] フラストレートしたS=1反強磁性鎖における磁化の2分の1プラトー2010
- Author(s)
  利根川孝, 中野博生, 岡本清美, 坂井徹
- Organizer
  量子スピン系研究会
- Place of Presentation
  敦賀市西公民館
- Year and Date
  2010-01-05
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 糸井千岳, スピンチューブの磁化プラトーにおけるスタガード磁化, ダイマー及びカイラル秩序の共存2010
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 岡本清美, 糸井千岳
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学津島キャンパス
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Ground-State Phase Diagram of an S=2 Chain with Bond-Alternation and Uniaxial On-Site Anisotropy2010
- Author(s)
  Takashi Tonegawa, Hiroki Nakano, Kiyomi Okamoto, Toru Sakai, Kiyohide Nomura
- Organizer
  The workshop "New Trends in Quantum Magnetism"
- Place of Presentation
  University Paris-Sud, Orsay, France
- Year and Date
  2010-06-01
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンチューブの磁化プラトーにおけるスタガード磁化,ダイマー及びカイラル秩序の共存2010
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 岡本清美, 糸井千岳
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学津島キャンパス
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンナノチューブの異常量子現象2010
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 岡本清美, 糸井千岳
- Organizer
  次世代スーパーコンピュータプロジェクト,ナノ分野グランドチャレンジ研究開発,第4回公開シンポジウム
- Place of Presentation
  岡崎コンファレンスセンター
- Year and Date
  2010-03-05
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] フラストレートしたS=1反強磁性鎖における磁化の2分の1プラトーII2010
- Author(s)
  利根川孝, 中野博生, 坂井徹, 岡本清美
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学津島キャンパス
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field-induced quantum phase transitions of the asymmetric three-legspin tube2010
- Author(s)
  T.Sakai, M.Sato, K.Okunishi, K.Okamoto, C.Itoi
- Organizer
  APS March Meeting 2010
- Place of Presentation
  Oregon Convention Center, Portland, Oregon, USA
- Year and Date
  2010-03-16
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 3本足スピンナノチューブにおける磁化プラトー幅の新奇な振舞い2010
- Author(s)
  岡本清美, 佐藤正寛, 奥西巧一, 坂井徹, 糸井千岳
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学津島キャンパス
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Magnetization Plateau of the Quantum Spin Nanotube2009
- Author(s)
  T. Sakai, K. Okunishi, K. Okamoto
- Organizer
  International Symposium on Nanoscience and Quantum Physics ; nanoPHYS'09
- Place of Presentation
  国際文化会館
- Year and Date
  2009-02-23
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain2009
- Author(s)
  Toru Sakai, Kiyomi Okamoto, Takashi Tonegawa
- Organizer
  6th International Symposium on High Magnetic Field Spin Science in 100T
- Place of Presentation
  東北大学
- Year and Date
  2009-12-08
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンナノチューブ:最近の理論的発展(シンポジウム講演)2009
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 大塚雄一, 岡本清美, 糸井千岳
- Organizer
  日本物理学会2009年年次大会
- Place of Presentation
  立教大学池袋キャンパス
- Year and Date
  2009-03-28
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Half Magnetization Plateau in a Frustrated S=1 Antiferromagnetic Chain2009
- Author(s)
  T.Tonegawa, T.Sakai, H.Nakano, K.Okamoto, K.Okunishi, K.Nomura
- Organizer
  International Conference on Magnetism
- Place of Presentation
  Karlsruhe, Germany
- Year and Date
  2009-07-30
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 異方的スピンラダー素の磁場誘起スピンネマティック相2009
- Author(s)
  坂井徹, 利根川孝, 岡本清美
- Organizer
  日本物理学会2009年秋季大会
- Place of Presentation
  熊本大学黒髪キャンパス
- Year and Date
  2009-09-25
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] First-Order Phase Transition between One-Third Magnetization Plateau States in an Anisotropic (S, S')=(1, 2) Spin-Alternating Chain2009
- Author(s)
  T.Tonegawa, K.Okamoto, T.Sakai
- Organizer
  The International Conference on Quantum Criticality and Novel Phases
- Place of Presentation
  Dresden, Germany
- Year and Date
  2009-08-04
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンナノチューブ:最近の理論的発展2009
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 大塚雄一, 岡本清美, 糸井千岳
- Organizer
  日本物理学会2009年年次大会
- Place of Presentation
  立教大学池袋キャンパス
- Year and Date
  2009-03-28
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Anomalous Temperature Dependence of the Magnetization of a Spin-Gapped Chain under Finite Magnetic Field2009
- Author(s)
  Kiyomi Okamoto
- Organizer
  4th JAEA Synchrotron Radiation Research Symposium : X-Ray and High Magnetic Field
- Place of Presentation
  SPring8
- Year and Date
  2009-03-06
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 三本鎖スピンチューブの3分の1磁化プラトー2009
- Author(s)
  坂井徹, 奥西巧一, 岡本清美, 糸井千岳
- Organizer
  日本物理学会2009年秋季大会
- Place of Presentation
  熊本大学黒髪キャンパス
- Year and Date
  2009-09-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Half Magnetization Plateau in a Frustrated S=1 Ant iferromagntic Chain2009
- Author(s)
  T. Tonegawa, H. Nakano, T. Sakai, K. Okamoto
- Organizer
  4th JAEA Synchrotron Radiation Research Symposium: X-Ray and High Magnetic Field
- Place of Presentation
  SPring-8
- Year and Date
  2009-03-06
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain2009
- Author(s)
  T.Sakai, K.Okamoto, T.Tonegawa
- Organizer
  6th International Symposium on High Magnetic Field Spin Science in 100T
- Place of Presentation
  東北大学さくらホール
- Year and Date
  2009-12-08
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] フラストレートしたS=1反強磁性鎖における磁化の2分の1プラトー2009
- Author(s)
  利根川孝, 中野博生, 坂井徹, 岡本清美, 奥西巧一, 野村清英
- Organizer
  量子スピン研究会
- Place of Presentation
  福井大学遠赤外領域開発研究センター
- Year and Date
  2009-02-03
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 歪んだダイヤモンド鎖の磁場誘起非整合秩序2009
- Author(s)
  坂井徹, 利根川孝, 岡本清美
- Organizer
  日本物理学会2009年年次大会
- Place of Presentation
  立教大学池袋キャンパス
- Year and Date
  2009-03-27
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya Interaction2009
- Author(s)
  T.Sakai, K.Okamoto, T.Tonegawa,
- Organizer
  International Conference on Magnetism
- Place of Presentation
  Karlsruhe, Germany
- Year and Date
  2009-07-30
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] ジャロシンスキー・守谷相互作用のある歪んだダイヤモンド鎖の磁化過程2009
- Author(s)
  坂井徹, 岡本清美, 利根川孝
- Organizer
  日本物理学会2009年秋季大会
- Place of Presentation
  熊本大学黒髪キャンパス
- Year and Date
  2009-09-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field Induced Nematic Phase in the Spin Ladder System with Easy-Axis Anisotropy2009
- Author(s)
  T.Sakai, T.Tonegawa, K.Okamoto
- Organizer
  The International Conference on Quantum Criticality and Novel Phases
- Place of Presentation
  Dresden, Germany
- Year and Date
  2009-08-03
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Anomalous Temperature Dependence of the Magnetization of a Spin-GappedChain under Finite Magnetic Field2009
- Author(s)
  K. Okamoto
- Organizer
  4th JAEA Synchrotron Radiation Research Symposium: X-Ray and High Magnetic Field
- Place of Presentation
  SPring-8
- Year and Date
  2009-03-06
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 1次元異方的混晶フェリ磁性体における磁化の3分の1プラトーIV2009
- Author(s)
  利根川孝, 岡本清美, 坂井徹
- Organizer
  日本物理学会2009年秋季大会
- Place of Presentation
  熊本大学黒髪キャンパス
- Year and Date
  2009-09-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 3本足スピンナノチューブにおける磁化プラトー幅の異常な振舞い2009
- Author(s)
  岡本清美, 佐藤正寛, 奥西巧一, 坂井徹, 糸井千岳
- Organizer
  物性科学領域横断研究会
- Place of Presentation
  東京大学浅野キャンパス武田先端知ビル
- Year and Date
  2009-11-29
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンナノチューブの磁化過程2009
- Author(s)
  坂井徹, 奥西巧一, 岡本清美
- Organizer
  特定領域"100テスラ領域の強磁場スピン科学"2009スタートアップ会議
- Place of Presentation
  東京大学物性研究所
- Year and Date
  2009-05-23
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンナノチューブ : 最近の理論的発展2009
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 大塚雄一, 岡本清美, 糸井千岳
- Organizer
  日本物理学会2009年年次大会
- Place of Presentation
  立教大学池袋キャンパス
- Year and Date
  2009-03-28
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Half Magnetization Plateau in a Frustrated S=1 Antiferromagnetic Chain2009
- Author(s)
  Takashi Tonegawa, Hiroki Nakano, Toru Sakai, Kiyomi Okamoto
- Organizer
  4th JAEA Synchrotron Radiation Research Symposium : X-Ray and High Magnetic Field
- Place of Presentation
  SPring8
- Year and Date
  2009-03-06
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 歪んだダイヤモンド鎖の磁場誘起非整合秩序2009
- Author(s)
  坂井徹, 岡本清美, 利根川孝
- Organizer
  量子スピン研究会
- Place of Presentation
  福井大学遠赤外領域開発研究センター
- Year and Date
  2009-02-03
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Quantum Phase Transitions of the Three-Leg Spin Tube2009
- Author(s)
  T.Sakai., K.Okunishi, K.Okamoto
- Organizer
  Joint European Japanese Conference : Frustration in Condensed Matter
- Place of Presentation
  Ecole Normale Sup'erieure de Lyon, France
- Year and Date
  2009-05-13
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Quantum Phase Transitions of the 3-Leg Spin Tube2009
- Author(s)
  T.Sakai, M.Sato, K.Okunishi, K.Okamoto, C.Itoi
- Organizer
  The second international workshop on dynamics and manipulation of quantum systems
- Place of Presentation
  東京大学小柴ホール
- Year and Date
  2009-10-15
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Half Magnetization Plateau in a Frustrated S=1 Antiferromagntic Chain2009
- Author(s)
  T. Tonegawa, H. Nakano, T. Sakai and K. Okamoto
- Organizer
  4th JAEA Synchrotron Radiation Research Symposium : X-Ray and High Magnetic Field
- Year and Date
  2009-03-06
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field Induced Exotic Phenomena of the S=1/2 Isosceles Three-Leg Quantum Spin Nanotube2009
- Author(s)
  T.Sakai., K.Okunishi, K.Okamoto
- Organizer
  9th International Conference on Research in High Magnetic Fields.
- Place of Presentation
  Haus der Kirche, Dresden, Germany
- Year and Date
  2009-07-25
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] フラストレートしたS=1反強磁性鎖における磁化の2分の1プラトー2009
- Author(s)
  利根川孝, 中野博生, 坂井徹, 岡本清美
- Organizer
  日本物理学会2009年年次大会
- Place of Presentation
  立教大学池袋キャンパス
- Year and Date
  2009-03-27
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field-Induced Quantum Phase Transition in Low-Dimensional Spin Systems2009
- Author(s)
  T. Sakai, K. Okamoto, 他
- Organizer
  4th JAEA Synchrotron Radiation Research Symposium : X-Ray and High Magnetic Field
- Place of Presentation
  SPring-8
- Year and Date
  2009-03-07
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 有限磁場中の1次元スピンギャップ系における磁化と比熱の異常な温度変化2009
- Author(s)
  岡本清美
- Organizer
  量子スピン研究会
- Place of Presentation
  福井大学遠赤外領域開発研究センター
- Year and Date
  2009-02-03
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 3本鎖スピンチューブの量子相転移2008
- Author(s)
  坂井徹, 奥西巧一, 大塚雄一, 岡本清美, 佐藤正寛, 糸井千岳
- Organizer
  日本物理学会2008年秋季大会
- Place of Presentation
  岩手大学小白川キャンパス
- Year and Date
  2008-09-22
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Ground-State Phase Diagram of an (S, S')=(1, 2) Spin-Alternating Chain with Competing Single-Ion Anisotropies2008
- Author(s)
  T. Tonegawa, K. Okamoto, T. Sakai, M. Kaburagi
- Organizer
  Highly Frustrated Magnetism 2008
- Place of Presentation
  Braunschweig, Germany
- Year and Date
  2008-09-10
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Anomalous Temperature Dependence of the Magnetic Susceptibility and the Specific Heat of a Spin Gapped Chain with Randomness in Magnetic Field2008
- Author(s)
  K. Okamoto
- Organizer
  Topological Aspects of Solid State Physics : Symposium
- Place of Presentation
  Yukawa Institute for Theoretical Physics, Kyoto University
- Year and Date
  2008-06-24
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 異方的スピンラダー系の磁場誘起スピンネマティック相2008
- Author(s)
  坂井徹, 利根川孝, 岡本清美
- Organizer
  物性科学領域横断研究会:スピンが拓く物性科学の最前線
- Place of Presentation
  東京大学武田先端知ビル
- Year and Date
  2008-11-30
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 一次元異方的混晶フェリ磁性体における磁化の3分の1プラトーIII2008
- Author(s)
  利根川孝, 岡本清美, 坂井徹, 鏑木誠
- Organizer
  日本物理学会2008年秋季大会
- Place of Presentation
  岩手大学小白川キャンパス
- Year and Date
  2008-09-21
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンナノチューブの異常量子物性2008
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 大塚雄一, 岡本清美, 糸井千岳
- Organizer
  金属錯体の固体物性科学最前線-錯体化学と固体物性物理の連携新領域創成をめざして-
- Place of Presentation
  東北大学理学部
- Year and Date
  2008-12-19
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Two-step quantum spin op transition in spin ladders2008
- Author(s)
  T. Sakai, K. Okamoto, T. Tonegawa
- Organizer
  25th International Conference on Low Temperature Physics
- Place of Presentation
  RAI Congress Center, Amsterdam
- Year and Date
  2008-08-09
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 異方的擬一次元量子スピン系の磁場誘起ネマティック相2008
- Author(s)
  坂井徹, 利根川孝, 岡本清美
- Organizer
  第5回強磁場スピン科学シンポジウム
- Place of Presentation
  岡山大学理学部
- Year and Date
  2008-12-12
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Anomalous Temperature Dependence of the Finite-Field Magnetization of a Bond-Alternating Quantum Spin Chain in Lorentzian Random Magnetic Field2008
- Author(s)
  Kiyomi Okamoto
- Organizer
  The International Symposium on Anomalous Quantum Materials 2008 and the 7th Asia-Pacific Workshop
- Place of Presentation
  東京大学
- Year and Date
  2008-11-08
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] スピンラダー系の二段階スピンフロップ転移2008
- Author(s)
  坂井徹, 岡本清美
- Organizer
  日本物理学会第第63回年次大会
- Place of Presentation
  近畿大学本部キャンパス
- Year and Date
  2008-03-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 歪んだダイヤモンド鎖の磁場誘起非整合秩序2008
- Author(s)
  坂井徹, 利根川孝, 岡本清美
- Organizer
  第3回トピカルミーティング「フラストレーションとスピン液体」
- Place of Presentation
  神戸大学百年記念館六甲ホール
- Year and Date
  2008-12-23
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Two-step spin flop transition in quantum spin ladders2008
- Author(s)
  T. Sakai and K. Okamoto
- Organizer
  MARCH Meeting of the Americal Physical Society
- Place of Presentation
  Convention Center, New Orleans, USA
- Year and Date
  2008-03-13
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 有限磁場中の1次元スピンギャップ系とランダムネス2008
- Author(s)
  岡本清美
- Organizer
  日本物理学会第63回年次大会
- Place of Presentation
  近畿大学大学本部キャンパス
- Year and Date
  2008-03-23
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field-Induced Incommensurate Order and Possible Supersolid in the S=1/2 Frustrated Diamond Chain2008
- Author(s)
  T. Sakai, K. Okamoto
- Organizer
  Highly Frustrated Magnetism 2008
- Place of Presentation
  Braunschweig, Germany
- Year and Date
  2008-09-10
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] フラストレートしたS=1反強磁性鎖における磁化の2分の1プラトー2008
- Author(s)
  利根川孝, 中野博生, 坂井徹, 岡本清美
- Organizer
  第3回トピカルミーティング「フラストレーションとスピン液体」
- Place of Presentation
  神戸大学百年記念館六甲ホール
- Year and Date
  2008-12-23
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 容易軸異方性を持つスピンラダー系の量子スピンフロップ転移2008
- Author(s)
  坂井徹, 利根川孝, 岡本清美
- Organizer
  日本物理学会2008年秋季大会
- Place of Presentation
  岩手大学小白川キャンパス
- Year and Date
  2008-09-21
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 有限磁場中の1次元スピンギャップ系とランダムネス2008
- Author(s)
  岡本清美
- Organizer
  日本物理学会第第63回年次大会
- Place of Presentation
  近畿大学本部キャンパス
- Year and Date
  2008-03-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Anomalous Temperature Dependence of the Magnetic Susceptibility and the Specific Heat of...2008
- Author(s)
  K Okamoto
- Organizer
  Topological Aspects of Solid State Physics : Symposium
- Place of Presentation
  京都大学基礎物理学研究所
- Year and Date
  2008-06-24
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field-Induced Spin Nematic Phase in Anisotropic Spin Ladder with Ring Exchange2008
- Author(s)
  T. Sakai, T. Tonegawa, K. Okamoto
- Organizer
  スーパークリーン物質で実現する新しい量子相の物理
- Place of Presentation
  神戸大学百年記念館六甲ホール
- Year and Date
  2008-12-20
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Anomalous Temperature Dependence of the Finite-Field Magnetization of a Bond-Alternating Quantum Spin Chain....2008
- Author(s)
  K. Okamoto
- Organizer
  The Interantional Symposium on Anomalous Quantum Materials 2008
- Place of Presentation
  東京大学安田講堂
- Year and Date
  2008-11-08
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] ボンド交代のある異方的(s,S)=(1,2)スピン交代鎖の基底状態2008
- Author(s)
  利根川孝, 坂井徹, 岡本清美, , 鏑木誠
- Organizer
  日本物理学会第第63回年次大会
- Place of Presentation
  近畿大学本部キャンパス
- Year and Date
  2008-03-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Randomness Effect on the Temperature Dependence of the Finite Field Maenetization in a One-Dimensional Spin Gapped System2007
- Author(s)
  K. Okamoto
- Organizer
  4th International Symposium on High Magnetic Field Spin Science in 100T
- Place of Presentation
  Tohoku University, Sendai, Japan
- Year and Date
  2007-11-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 3本鎖スピンチューブの磁化過程2007
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 岡本清美
- Organizer
  日本物理学会2007年年次大会
- Place of Presentation
  北海道大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] 1次元スピンギャップ系における磁化の温度変化とランダムネス2007
- Author(s)
  岡本清美
- Organizer
  日本物理学会2007年年次大会
- Place of Presentation
  北海道大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Finite- and Zero-Field Ground States of an Anisotropic (s,S)=(1,2) Spin-Alternating Chain with Bond-Alternation2007
- Author(s)
  T. Tonegawa, T. Sakai, K. Okamoto and M. Kaburagi
- Organizer
  4th International Symposium on High Magnetic Field Spin Science in 100T
- Place of Presentation
  Tohoku University, Sendai, Japan
- Year and Date
  2007-11-26
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Temperature Dependence of the Finite Field Magnetization of a Spin-Gapped Chain - Clean Case and Random Field Case2007
- Author(s)
  K. Okamoto
- Organizer
  International Symposium on Physics of New Quantum Phases in Superclean Materials
- Place of Presentation
  Nagaragawa Convention Center, Gifu, Japan
- Year and Date
  2007-10-31
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field-Induced Incommensurate Order in Quasi-1D Quantum Spin Systems: Bose-Einstein Condensation and Possible Supersolid of Magnons2007
- Author(s)
  T. Sakai, Y. Otsuka and K. Okamoto
- Organizer
  International Symposium on Physics of New Quantum Phases in Superclean Materials
- Place of Presentation
  Nagaragawa Convention Center, Gifu, Japan
- Year and Date
  2007-10-31
- Data Source
  KAKENHI-PROJECT-18540340
[Presentation] Field-induced incommensurate order in quasi-1D quantum spin systems: Bose-Einstein condensation and possible supersolid of magnons2007
- Author(s)
  T. Sakai and K. Okamoto
- Organizer
  23th International Conference on Statistical Physics
- Place of Presentation
  Genova, Italy
- Year and Date
  2007-07-10
- Data Source
  KAKENHI-PROJECT-18540340

1. SAKAI Toru (60235116)

# of Collaborated Projects: 5 results

# of Collaborated Products: 15 results
2. 野村清英 (70222205)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
3. 小野〓郎 (10016165)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. OTSUKA Yuichi (30390652)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. TONEGAWA Takashi (80028167)

# of Collaborated Projects: 3 results

# of Collaborated Products: 60 results
6. 上野陽太郎 (10016066)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. OKAMOTO Kiyomi (10114860)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. NOMURA Takuji (90373240)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
9. OKUNISHI Kouichi (30332646)

# of Collaborated Projects: 2 results

# of Collaborated Products: 16 results
10. SATO Masahiro (90425570)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
11. 尾関之康 (70214137)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. NAKANO Hiroki (00343418)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
13. SEO Hitoshi (30415054)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 田口善弘 (30206932)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 松本宗久 (30374888)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OKAMOTO Kiyomi 岡本 清美

岡本 清美 オカモト キヨミ

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Competition and cooperation between the bond change and the frustration in low-dimensional quantum spin systemsPrincipal Investigator

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New Developments in the Theory of Non-Magnetic Ground State and Magnetic-Field-Induced Spin Gap in Low Dimensional Spin SystemsPrincipal Investigator

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1次元量子スピン系とサイン・ゴルドン模型-K.T.転移に対する数値的新手法Principal Investigator

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[Journal Article] Magnetization Plateau of the Quantum Spin Nanotube2011

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[Journal Article] Field Induced Exotic Phenomena of the S=1/2 Isosceles Three-Leg Quantum Spin Nanotube2010

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[Journal Article] Field Induced Exotic Phenomena of the S=1/2 Three-Leg Quantum Spin Nanotube2010

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[Journal Article] Quantum Spin Nanotubes-frustration, competing orders and criticalities2010

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OKAMOTO Kiyomi 岡本清美

岡本清美オカモトキヨミ