OKAMOTO Kiyomi 岡本清美

Researcher Number	10114860
Affiliation (based on the past Project Information) *help	2014: 東京工業大学, 大学院理工学研究科, 助教 2011 – 2013: 東京工業大学, 理工学研究科, 助教 2008 – 2011: Tokyo Institute of Technology, 大学院・理工学研究科, 助教
Review Section/Research Field	Principal Investigator Condensed matter physics II Except Principal Investigator Condensed matter physics II
Keywords	Principal Investigator 低次元系 / 量子相転移 / 量子スピン / 磁性 / 密度行列繰り込み群 / 数値的対角化 / 新奇相 / 量子スピン系 / 数値対角化 / レベルスペクトロスコピー … More / 統計力学 / スピン / 磁性体 / 低次元 / 磁化プラトー / ボンド変化 / 競合相互作用 / フラストレーション … More Except Principal Investigator 量子相転移 / スピンナノチューブ / スピン液体 / スピンギャップ / カイラリティ / ナノチューブ / 量子スピン系 / 超伝導 / カイラル液体 / 磁化プラトー / カイラル秩序 / 量子スピン液体 / フラストレーション / ナノ磁性体 / 低次元系 / スピンギヤツプ / ナノ磁性 / 磁性 Less

Theory of Novel Quantum Phenomena Created by Spin, Charge, and Chirality in the Spin Nanotube
- Principal Investigator
  
  SAKAI TORU
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Condensed matter physics II
- Research Institution
  University of Hyogo
Elaborate search of exotic phases and level spectroscopy in quantum spin chainsPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Kiyomi
- Project Period (FY)
  2011 – 2013
- 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 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
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

All 2014 2013 2012 2011 2010 2009 2008 2007 2006 Other

All Journal Article Presentation

[Journal Article] Exotic Quantum Phenomena in the Spin Nanotubes2014
- Author(s)
  T. Sakai
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 1
- DOI
  10.7566/jpscp.1.012025
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Randomness Effect on the Temperature Dependence of the Finite Field Magnetization of a One-Dimensional Spin Gapped System2014
- Author(s)
  Kiyomi Okamoto
- Journal Title
  
  J. Phys. Soc. Jpn. Suppl.
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[Journal Article] Exotic Magnetism of the Quantum Spin Nanotube2014
- Author(s)
  T. Sakai
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 2
- DOI
  10.7566/jpscp.2.010208
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Edge Modes in the Intermediate-D and Large-D Phases of the S=2 Quantum Spin Chain2014
- Author(s)
  Kiyomi Okamoto, Takashi Tonegawa, Toru Sakai and Makoto Kaburagi
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[Journal Article] Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave Function in Quantum Spin Chains2014
- Author(s)
  K. Okamoto
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 1
- DOI
  10.7566/jpscp.1.012031
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Edge Modes in the Intermediate-D and Large-D Phases of the S = 2 Quantum Spin Chain with XXZ and On-Site Anisotropies2014
- Author(s)
  K. Okamoto
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 3
- DOI
  10.7566/jpscp.3.014022
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23340109
[Journal Article] Quantum Phase Transitions in 1/3 Plateau of the Quantum Spin Tube2013
- Author(s)
  K. Okunishi
- Journal Title
  
  Journal of Korean Physical Society
  
  Volume: 63 Issue: 3 Pages: 596-600
- DOI
  10.3938/jkps.63.596
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Quantum Phase Transition in 1/3 Plateau of the Quantum Spin Tube2013
- Author(s)
  Kouichi Okunishi, Masahiro Sato, Toru Sakai, Kiyomi Okamoto and Chigak Itoi
- Journal Title
  
  J. Korean Phys. Soc
  
  Volume: Vol. 163 Pages: 596-600
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[Journal Article] Anomalous behavior of the spin gap of a spin-1/2 two-leg antiferromagnetic ladder with Ising-like rung interactions2013
- Author(s)
  T. Tonegawa
- Journal Title
  
  Physica Status Solidi B
  
  Volume: 250 Issue: 3 Pages: 575-578
- DOI
  10.1002/pssb.201200757
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Randomness Effect on the Temperature Dependence of the Finite Field Magnetization of a One-Dimensional Spin Gapped System2013
- Author(s)
  Kiyomi Okamoto
- Journal Title
  
  Journal of the Physsical Society of Japan; Supplment
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[Journal Article] Spin-chirality separation and S3-symmetry breakings in the magnetization plateau of the quantum spin tube2012
- Author(s)
  Kouichi Okunishi, Masahiro Sato, Toru Sakai, Kiyomi Okamoto, and Chigak. Itoi
- Journal Title
  
  Phys. Rev. B
  
  Volume: 85 Issue: 5 Pages: 54416-54416
- DOI
  10.1103/physrevb.85.054416
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740295, KAKENHI-PUBLICLY-22014012, KAKENHI-PUBLICLY-22014016, KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388, KAKENHI-PROJECT-23540442
[Journal Article] Magnetization Plateau of the Quantum Spin Nanotube2011
- Author(s)
  K.Okamoto
- Journal Title
  
  Physica E
  
  Volume: 43 Issue: 3 Pages: 769-772
- DOI
  10.1016/j.physe.2010.07.047
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-22014012, KAKENHI-PROJECT-23340109
[Journal Article] Ground-state phase diagram of S=2 quantum spin chain with the XXZ and on-site anisotropies2011
- Author(s)
  K.Okamoto
- Journal Title
  
  Journal of Physics : Conference Series
  
  Volume: 302 Pages: 012014-012014
- DOI
  10.1088/1742-6596/302/1/012014
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-22014012, KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Exotic quantum phase transitions in the spin nanotube2011
- Author(s)
  T.Sakai
- Journal Title
  
  Journal of Physics : Conference Series
  
  Volume: 320 Pages: 012022-012022
- DOI
  10.1088/1742-6596/320/1/012022
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-22014012, KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Exotic Quantum Critical Phenomena of the Spin Nanotubes2011
- Author(s)
  T.Sakai
- Journal Title
  
  Journal of Physics : Conference Series
  
  Volume: 302 Pages: 012013-012013
- DOI
  10.1088/1742-6596/302/1/012013
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-22014012, KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[Journal Article] Density Matrix Renormalization Group and Numerical Diagonalization Study on the Quantum Spin Nanotube in Magnetic Field2011
- Author(s)
  Toru SAKAI, Masahiro SATO, Kouichi OKUNISHI, Kiyomi OKAMOTO and Chigak ITOI
- Journal Title
  
  Progress in NUCLEAR SCIENCE and TECHNOLOGY
  
  Volume: 2 Pages: 30-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[Journal Article] Numerical Diagonalization Study on the S=1/2 Frustrated Three-Leg Quantum Spin Ladder Systems2011
- Author(s)
  Shohei Abe, Toru Sakai, Kiyomi Okamoto and Kenji Tsutsui
- Journal Title
  
  Journal of Physics: Conference Series
  
  Volume: 320 Pages: 012015-012015
- DOI
  10.1088/1742-6596/320/1/012015
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[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] How to distinguish the Haldane/Large-D state and the intermediate-D state in an S=2 quantum spin chain with the XXZ and on-site anisotropies2011
- Author(s)
  K.Okamoto
- Journal Title
  
  Journal of Physics : Conference Series
  
  Volume: 320 Pages: 012018-012018
- DOI
  10.1088/1742-6596/320/1/012018
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-22014012, KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540388
[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] 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] 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] 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 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] 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] Edge Modes in the Intermediate-D and Large-D Phases of the S=2 Quantum Spin Chain with XXZ and On-Site Anisotropies
- Author(s)
  Kiyomi Okamoto, Takashi Tonegawa, Toru Sakai and Makoto Kaburagi
- Journal Title
  
  JPS Conf. Proc
- URL
  http://arxiv.org/pdf/1310.3385.pdf
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 歪んだダイヤモンド型スピン鎖とアズライトのパラメーター問題2014
- Author(s)
  岡本清美
- Organizer
  日本物理学会秋季大会
- Place of Presentation
  中部大学春日井キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] アズライトのパラメーター問題と歪んだダイヤモンド型スピン鎖のモノマー間相互作用2014
- Author(s)
  岡本清美, 利根川孝, 坂井徹
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学湘南キャンパス
- Year and Date
  2014-03-28
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 量子スピン系の最近の話題2014
- Author(s)
  岡本清美
- Organizer
  中央大学後楽園キャンパス
- Year and Date
  2014-05-17
- Invited
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] アズライトと歪んだダイヤモンド型スピン鎖(総括)2013
- Author(s)
  岡本清美, 太田仁
- Organizer
  量子スピン系研究会
- Place of Presentation
  新潟大学
- Year and Date
  2013-03-03
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] F-AFladder(サイト反転不変)系でのひねり境界条件とパリティ2013
- Author(s)
  野村清英, 岡本清美, 利根川孝, 坂井徹
- Organizer
  第8回量子スピン系研究会
- Place of Presentation
  福井大学遠赤外領域開発研究センター
- Year and Date
  2013-12-14
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] アズライトと歪んだダイヤモンド型スピン鎖（総括）2013
- Author(s)
  岡本清美
- Organizer
  量子スピン系研究会
- Place of Presentation
  新潟大学（新潟県）
- Invited
- Data Source
  KAKENHI-PROJECT-23340109
[Presentation] スピンナノチューブの物理2013
- Author(s)
  坂井徹, 佐藤正寛, 奥西巧一, 岡本清美, 大塚雄一, 糸井千岳
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学常三島キャンパス
- Year and Date
  2013-09-28
- Invited
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] S=1/2の歪んだダイヤモンド型スピン鎖のモノマー間相互作用と相図2013
- Author(s)
  岡本清美, 利根川孝, 坂井徹
- Organizer
  第7回物性科学領域横断研究会
- Place of Presentation
  東京大学武田先端知ビル
- Year and Date
  2013-12-01
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] フラストレートした3本鎖スピンラダーのスピンネマティック相2012
- Author(s)
  坂井徹，安部祥平，筒井健二，岡本清美，引原俊哉
- Organizer
  量子スピン系研究会
- Place of Presentation
  福井大学遠赤外領域開発研究センター
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] S=2量子スピン鎖の Haldane 状態，Large-D 状態，Intermediate-D 状態2012
- Author(s)
  岡本清美，利根川孝，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  量子スピン系研究会
- Place of Presentation
  福井大学遠赤外領域開発研究センター
- Data Source
  KAKENHI-PROJECT-23540388
[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とランダムネス2012
- Author(s)
  岡本清美
- Organizer
  日本物理学会2012年年次大会
- Place of Presentation
  関西大学西宮上ケ原キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的 S=2 XXZ 反強磁性鎖の基底状態相図: 四次の一軸性オンサイト異方性の効果2012
- Author(s)
  利根川孝，岡本清美，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  日本物理学会2012年年次大会
- Place of Presentation
  関西大学西宮上ケ原キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 最近接相互作用におけるXXZ型異方性および二次と四次の一軸性オンサイト異方性をもつS=2量子スピン鎖の基底状態相図2012
- Author(s)
  利根川孝，岡本清美，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  「フラストレーションが創る新しい物性」特定領域最終成果報告会
- Place of Presentation
  大阪大学吹田キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Ground-State Phase Diagram of an Anisotropic S=2 Antiferromagnetic Chain:Appearance of the Intermediate-D Phasedue to the Competition between Ising-Type Exchange Interaction and Easy-Axis-Type On-Site Anisotropy2011
- Author(s)
  T. Tonegawa, K. Okamoto, H. Nakano, T. Sakai, K. Nomura and M. Kaburagi
- Organizer
  CIFAR/MEXT Japanese Network MEETING
- Place of Presentation
  Coast Plaza Hotel and Suites, Vancouver, Canada
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Ground-State Phase Diagram of an Anisotropic S=2 Antiferromagnetic Chain with Quartic, Uniaxial, On-Site Anisotropy2011
- Author(s)
  Takashi Tonegawa, Kiyomi Okamoto, Hiroki Nakano, Toru Sakai, Kiyohide Nomura, and Makoto Kaburagi
- Organizer
  Novel Quantum Sates on Condensed Matter 2011: Correlation, Frustration and Topology
- Place of Presentation
  京都大学基礎物理学研究所
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的 S=2 反強磁性量子スピン鎖の基底状態相図：四次の一軸性オンサイト異方性の効果2011
- Author(s)
  利根川孝, 岡本清美, 中野博生, 坂井徹, 野村清英, 鏑木誠
- Organizer
  第7回トピカルミーティング「フラストレーションとスピン・電荷・軌道・格子自由度」
- Place of Presentation
  彦根ビューホテル
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] フラストレートしたS=1/2三本鎖スピンラダーのスピンネマティック相2011
- Author(s)
  安部祥平，坂井徹，岡本清美，筒井健二，奥西巧一
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学五福キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] ２次と４次のオンサイト異方性をもつS=2 XXZ鎖の基底状態相図2011
- Author(s)
  利根川孝，岡本清美，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  第5回物性科学領域横断研究会
- Place of Presentation
  東北大学片平キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] スピンチューブの磁化プラトー領域におけるカイラリティ液体と量子相転移2011
- Author(s)
  佐藤正寛，奥西巧一，糸井千岳，岡本清美，坂井徹
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学五福キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的S=2反強磁性量子スピン鎖の基底状態相図 --- Intermediate-D相の存在 --- II2011
- Author(s)
  利根川孝，岡本清美，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学五福キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的S=2反強磁性量子スピン鎖の基底状態相図 --- Intermediate-D相の存在 --- I2011
- Author(s)
  岡本清美，利根川孝，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学五福キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] スピンチューブのプラトー状態での内部対称性と新奇秩序の数値的研究2011
- Author(s)
  奥西巧一, 佐藤正寛, 糸井千岳, 岡本清美, 坂井徹
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学五福キャンパス
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Exotic Quantum Phase Transitions in the Spin Nanotubes2011
- Author(s)
  T. Sakai, M. Sato, K. Okunishi, K. Okamoto and C. Itoi
- Organizer
  26th International Conference on Low Temperature Physics
- Place of Presentation
  Beijing International Convention Center , Beijing, China
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Exotic quantum critical phenomena of the spin nanotubes2011
- Author(s)
  Toru Sakai, Masahiro Sato, Kouichi Okunisni, Kiyomi Okamoto and Chigak Itoi
- Organizer
  CIFAR/MEXT Japanese Network MEETING
- Place of Presentation
  Coast Plaza Hotel and Suites, Vancouver, Canada
- Data Source
  KAKENHI-PROJECT-23540388
[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
[Presentation] S=1/2 歪んだダイヤモンド型スピン鎖におけるモノマー間相互作用と基底状態相図
- Author(s)
  岡本清美，利根川孝，坂井徹
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Ground-state phase diagram of a spin-2 XXZ antiferromagnetic chain: effect of the quartic uniaxial on-site anistotropy
- Author(s)
  Takashi Tonegawa, Kiyomi Okamoto, Hiroki Nakano, Toru Sakai, Kiyohide Nomura, and Makoto Kaburagi
- Organizer
  2012 International Conference on Highly Frustrated Magnetism
- Place of Presentation
  McMaster University, Hamilton, Ontario, Canada
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Edge States in the Intermediate-D and Large-D Phases of the S=2 Quantum Spin Chain with XXZ and On-Site Anisotropies
- Author(s)
  Kiyomi Okamoto, Takashi Tonegawa, Toru Sakai, and Makoto Kaburagi
- Organizer
  The International Conference on Strongly Correlated Electron Systems
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave Function in
- Author(s)
  Kiyomi Okamoto
- Organizer
  The 12th Asia Pacific Physics Conference
- Place of Presentation
  幕張メッセ
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] イジング的桁相互作用をもつ S=1/2 ２本脚反強磁性ラダーにおけるスピンギャップの異常な振る舞い
- Author(s)
  岡本清美，利根川孝，坂井徹
- Organizer
  日本物理学会2012年秋季大会
- Place of Presentation
  横浜国立大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Anomalous behavior of the spin gap of a spin-1/2 two-leg antiferromagnetic ladder with Ising-like rung interations
- Author(s)
  Takashi Tonegawa, Kiyomi Okamoto and Toru Sakai
- Organizer
  International Conference on Quantum Criticality and Novel Phases
- Place of Presentation
  Dreikonigskirche, Dresden, Germany
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] アズライトのパラメーター問題と歪んだダイヤモンド型スピン鎖のモノマー間相互作用
- Author(s)
  岡本清美，利根川孝，坂井徹
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Exotic Magnetism of the Spin Nanotubes
- Author(s)
  Toru Sakai and Kiyomi Okamoto
- Organizer
  International Symposium on Science Explored by Ultra Slow Muon
- Place of Presentation
  松江くにびきメッセ
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 量子スピン系の最近の話題
- Author(s)
  岡本清美
- Organizer
  シンポジウム「量子スピン系の物理」
- Place of Presentation
  中央大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Exotic Quantum Phenomena of the Spin Nanotubes
- Author(s)
  Toru Sakai and Kiyomi Okamoto
- Organizer
  The 12th Asia Pacific Physics Conference
- Place of Presentation
  幕張メッセ
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 桁相互作用が交代した異方的 S=1/2 ラダーの基底状態
- Author(s)
  利根川孝，岡本清美，引原俊哉，坂井徹
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Randomness Effect on the Temperature Dependence of the Finite Field Magnetization of a One-Dimensional Spin Gapped System
- Author(s)
  Kiyomi Okamoto
- Organizer
  International Symposium "Nanoscience and Quantum Physics 2012"
- Place of Presentation
  国際文化会館
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的な脚および桁相互作用をもつ S=1/2 ラダーの基底状態と低エネルギー励起状態
- Author(s)
  利根川孝，岡本清美，古谷峻介，坂井徹
- Organizer
  量子スピン系研究会
- Place of Presentation
  新潟大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Ground-state properties of an anisotropic S=1/2 ladder with alternating rung interactions
- Author(s)
  T. Tonegawa, K. Okamoto, T. Hikihara, and T. Sakai
- Organizer
  7th ISSP International Workshop and Symposium:
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的S=2スピン鎖のIntermediate-D相における端状態
- Author(s)
  岡本清美，利根川孝，坂井徹，鏑木誠
- Organizer
  日本物理学会2013年年次大会
- Place of Presentation
  広島大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Quantum Phase Transition and Spin Gap in an Spin-1/2 Ladder with
- Author(s)
  Takashi Tonegawa, Kiyomi Okamoto, Shunsuke C. Furuya and Toru Sakai and Makoto Kaburagi
- Organizer
  Radiation Research Symposium "Magnetism in Quantum Beam Science"
- Place of Presentation
  SPring-8
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 桁相互作用が交代した異方的 S=1/2 ラダーの基底状態 III
- Author(s)
  野村清英，森重順平，利根川孝，岡本清美，引原俊哉，坂井徹
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] アズライトと歪んだダイヤモンド型スピン鎖（総括）
- Author(s)
  岡本清美，太田仁
- Organizer
  量子スピン系研究会
- Place of Presentation
  新潟大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Edge States in the Haldane, Intermediate-D and Large-D Phases of the S = 2 Quantum Spin Chain with the XXZ and On-Site Anisotropies
- Author(s)
  Kiyomi Okamoto, Takashi Tonegawa, Toru Sakai and Makoto Kaburagi
- Organizer
  JAEA Synchrotron Radiation Research Symposium "Magnetism in Quantum Beam Science"
- Place of Presentation
  SPring-8
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方性のあるS=1/2三本鎖スピンチューブの量子相転移
- Author(s)
  坂井徹，岡本清美
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的 S=2 XXZ 反強磁性鎖の基底状態相図: 四次の一軸性オンサイト異方性の効果II
- Author(s)
  利根川孝，岡本清美，中野博生，坂井徹，野村清英，鏑木誠
- Organizer
  日本物理学会2012年秋季大会
- Place of Presentation
  横浜国立大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 桁相互作用が交代した異方的 S=1/2 ラダーの基底状態 II
- Author(s)
  利根川孝，岡本清美，引原俊哉，坂井徹，森重順平，野村清英
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Ground-state phase diagram and edge modes of the S=2 quantum
- Author(s)
  Kiyomi Okamoto, Takashi Tonegawa, Toru Sakai, and Makoto Kaburagi
- Organizer
  7th ISSP International Workshop and Symposium:
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] Spin Nanotubes
- Author(s)
  T. Sakai, M. Sato, K. Okunishi, K. Okamoto and C. Itoi
- Organizer
  Radiation Research Symposium "Magnetism in Quantum Beam Science"
- Place of Presentation
  SPring-8
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] F-AF ladder (サイト反転不変)系でのひねり境界条件とパリティ
- Author(s)
  野村清英，岡本清美，利根川孝，坂井徹
- Organizer
  第8回量子スピン系研究会
- Place of Presentation
  福井大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] S=1/2の歪んだダイヤモンド型スピン鎖のモノマー間相互作用と相図
- Author(s)
  岡本清美，利根川孝，坂井徹
- Organizer
  第7回物性科学領域横断研究会
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 桁交代異方的 S=1/2 梯子系の基底状態
- Author(s)
  利根川孝，岡本清美，引原俊哉，坂井徹
- Organizer
  第8回量子スピン系研究会
- Place of Presentation
  福井大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 量子スピンチューブの最近の発展(理論)
- Author(s)
  奥西巧一，佐藤正寛，坂井徹，岡本清美，糸井千岳
- Organizer
  基研研究会「量子スピン系の物理」
- Place of Presentation
  京都大学基礎物理学研究所
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的 S=2 量子スピン鎖におけるHaldane相，Intermediate-D相，Large-D相
- Author(s)
  岡本清美
- Organizer
  基研研究会「量子スピン系の物理」
- Place of Presentation
  京都大学基礎物理学研究所
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] スピンナノチューブの物理
- Author(s)
  坂井徹，佐藤正寛，奥西巧一，岡本清美，大塚雄一，糸井千岳
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] モノマー間相互作用のある歪んだダイヤモンド型スピン鎖の基底状態相図とアズライト
- Author(s)
  岡本清美，利根川孝，坂井徹
- Organizer
  第8回量子スピン系研究会
- Place of Presentation
  福井大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] 異方的な脚および桁相互作用をもつ S=1/2 ラダーにおける量子相転移とスピンギャップ
- Author(s)
  利根川孝, 岡本清美, 古谷峻介, 坂井徹
- Organizer
  日本物理学会2013年年次大会
- Place of Presentation
  広島大学
- Data Source
  KAKENHI-PROJECT-23540388
[Presentation] イジング的桁相互作用をもつ$S=1/2$ 2本脚反強磁性梯子におけるスピンギャップ
- Author(s)
  岡本清美，利根川孝，坂井徹，古谷峻介
- Organizer
  基研研究会「量子スピン系の物理」
- Place of Presentation
  京都大学基礎物理学研究所
- Data Source
  KAKENHI-PROJECT-23540388

1. TONEGAWA Takashi (80028167)

# of Collaborated Projects: 4 results

# of Collaborated Products: 97 results
2. NAKANO Hiroki (00343418)

# of Collaborated Projects: 3 results

# of Collaborated Products: 12 results
3. SAKAI Toru (60235116)

# of Collaborated Projects: 2 results

# of Collaborated Products: 19 results
4. NOMURA Takuji (90373240)

# of Collaborated Projects: 2 results

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

# of Collaborated Projects: 2 results

# of Collaborated Products: 17 results
6. 岡本清美 (40152342)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. SEO Hitoshi (30415054)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. SATO Masahiro (90425570)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
9. HIJII Keigo (00444068)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. ISODA Makoto (10184590)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. NOMURA Kiyohide (70222205)

# of Collaborated Projects: 1 results

# of Collaborated Products: 15 results

OKAMOTO Kiyomi 岡本 清美

Research Projects

Research Products

Co-Researchers

Theory of Novel Quantum Phenomena Created by Spin, Charge, and Chirality in the Spin Nanotube

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Elaborate search of exotic phases and level spectroscopy in quantum spin chainsPrincipal Investigator

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Theoretical and numerical study on anomalous quantum phenomena in the spin nanotubes

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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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[Journal Article] Exotic Quantum Phenomena in the Spin Nanotubes2014

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[Journal Article] Randomness Effect on the Temperature Dependence of the Finite Field Magnetization of a One-Dimensional Spin Gapped System2014

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[Journal Article] Exotic Magnetism of the Quantum Spin Nanotube2014

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[Journal Article] Edge Modes in the Intermediate-D and Large-D Phases of the S=2 Quantum Spin Chain2014

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[Journal Article] Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave Function in Quantum Spin Chains2014

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[Journal Article] Edge Modes in the Intermediate-D and Large-D Phases of the S = 2 Quantum Spin Chain with XXZ and On-Site Anisotropies2014

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[Journal Article] Quantum Phase Transitions in 1/3 Plateau of the Quantum Spin Tube2013

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[Journal Article] Quantum Phase Transition in 1/3 Plateau of the Quantum Spin Tube2013

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[Journal Article] Anomalous behavior of the spin gap of a spin-1/2 two-leg antiferromagnetic ladder with Ising-like rung interactions2013

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[Journal Article] Randomness Effect on the Temperature Dependence of the Finite Field Magnetization of a One-Dimensional Spin Gapped System2013

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[Journal Article] Spin-chirality separation and S3-symmetry breakings in the magnetization plateau of the quantum spin tube2012

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[Journal Article] Magnetization Plateau of the Quantum Spin Nanotube2011

OKAMOTO Kiyomi 岡本清美