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MOMOI Tsutomu  桃井 勉

… Alternative Names

桃井 勉  モモイ ツトム

MOMOI Tsutom  桃井 勉

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Researcher Number 80292499
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-0075-7068
External Links
Affiliation (Current) 2025: 国立研究開発法人理化学研究所, 創発物性科学研究センター, 専任研究員
Affiliation (based on the past Project Information) *help 2018 – 2023: 国立研究開発法人理化学研究所, 開拓研究本部, 専任研究員
2015 – 2017: 国立研究開発法人理化学研究所, 古崎物性理論研究室, 専任研究員
2007 – 2014: 独立行政法人理化学研究所, 古崎物性理論研究室, 専任研究員
2009: 古崎物性理論研究室, 専任研究員
2007: The Institute of Physical and Chemical Research, 古崎物性理論研究室, 専任研究員 … More
2005 – 2006: 独立行政法人理化学研究所, 古崎物性理論研究室, 先任研究員
2003: 青山学院大学, 理化学研究所, 研究員
2000 – 2003: Tsukuba University, Assistannt, 物理学系, 助手
1999: 筑波大, 物理学系, 助手
1997 – 1998: 筑波大学, 物理学系, 助手 Less
Review Section/Research Field
Principal Investigator
Condensed matter physics II / Science and Engineering / 固体物性Ⅱ(磁性・金属・低温) / Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
Except Principal Investigator
物性一般(含基礎論) / Science and Engineering / 固体物性Ⅱ(磁性・金属・低温)
Keywords
Principal Investigator
フラストレート磁性体 / スピンネマティック / 磁気相図 / 動的物理量 / スピンネマティック相 / 三角格子 / 物性理論 / 磁性 / カゴメ格子 / 量子液晶 … More / 量子相 / トポロジカル相 / スピン密度波 / 多体スピン交換模型 / J1-J2ジグザグ鎖 / 超固体 / スピン液体 / フラストレーション / ネマティック相 / 磁気フラストレーション / 量子相転移 / ジャロシンスキー-守谷相互作用 / 隠れた秩序 / 液晶 / アノーマリー / 対称性 / 有効ハミルトニアン / 非摂動論的アプローチ / 隠れた量子相 / 熱容量 / 非摂動的有効ハミルトニアン / 核磁気緩和率 / 動的構造因子 / 隠れた秩序相 / 物性基礎論 / 誘電体物性 / 2成分ボーズ気体 / 阻視化ダイナミクス / 電子スピン共鳴 / 誘電性 / スピンネマティック状態 / 多体交換相互作用 / カイラル相 / SU(4)対称性 / 2層系 / ベクトルカイラル状態 / 熱ホール効果 / フラストレート磁性 / 強誘電性 / 正方格子 / スピンネマティック秩序 / 多重Q状態 / パイロクロア格子 / フラストレートした磁性体 / スピン渦結晶 / ジグザグ鎖 / 密度行列繰り込み群法 / ボゾン化法 / 変分モンテカルロ法 / 低次元量子スピン系 / 核磁気共鳴緩和率 / スピンカイラリティー / 動的性質 / エキゾチックな秩序 / 量子スピン液体 / 金属絶縁転移 / 幾何学的フラストレーション / 金属絶縁体転移 / 磁化プラトー / 部分ライングラフ / ネマティック状態 / 反強磁性体 / 固体ヘリウム3薄膜 / 低温物性 / 計算物理 / 強相関電子系 / スピンネマティ / 固体ヘリウム3 / リング交換 / 高温超伝導体 / 2次元 / ドメイン壁 / 不整合相 / 双対性 / カイラル秩序 / 4体交換相互作用 / 不整合 / ストライプ / 量子融解 / 量子固体 … More
Except Principal Investigator
フラストレーション / 磁化プラトー / 強相関電子系 / frustration / magnetization plateau / triangular lattice / 多体交換相互作用 / ferromagnetism / 二重交換相互作用 / 強磁性 / ladder spin system / helium3 solid layer / duality relation / scalar chirality / multiple spin exchange / 希薄磁性半導体 / ストライプ融解相転移 / 拡張ハバード模型 / 3角格子スピン系 / 梯子スピン系 / ヘリウム3薄膜 / 双対性 / スカラーカイラリティー / electrical resistivity / quantum flucvtuations / Hubbard model / double exchange interaction / mangan oxides / strongly correlated electron systems / orbital degeneracy / 軌道整列 / スピン系 / 電気抵抗 / 量子ゆらぎ / ハバード模型 / 2重交換相互作 / マンガン酸化物 / 軌道縮重 / Monte Carlo method / chiral phase transition / spin model / multiple-spin exchange / ^3He solid layers / 三角格子 / ^3He薄膜固体 / 相転移 / カイラリティー / スピン波 / 非整合整合相転移 / 3角格子 / ヘリウム3固体薄膜 / モンテカルロ法 / カイラル相転移 / スピン模型 / 多体交換 / 薄膜 / ヘリウム3固体 / Collossal magneto-resistance / double exchange inter-action / Hurd's rule coupling / multiple-band effect / itinerant electrons / 巨大磁気抵抗効果 / フント結合 / 多バンド効果 / 遍歴電子 / 強誘電性 / 磁気強誘電性 / スピンキラリティー / スピン液体 / 磁性 / 一次元電子系 / ナノギャップ電極 / 電荷分離 / 有機導体 / 電荷密度波 / 有機トランジスタ / ディラックフェルミオン / 遷移金属酸化物 / 分子性導体 / 自己組織化 / 電子機能物質 / 光電子分光 / 超伝導 / 超分子 / ディラックフェルミオン系 / 走査トンネル顕微鏡 / カイラル秩序 / 量子固体 / 低次元磁性 Less
  • Research Projects

    (14 results)
  • Research Products

    (128 results)
  • Co-Researchers

    (25 People)
  •  Spin nematic ordering and symmetryPrincipal Investigator

    • Principal Investigator
      桃井 勉
    • Project Period (FY)
      2020 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
    • Research Institution
      Institute of Physical and Chemical Research
  •  Novel quantum magnetism and ferroelectricity induced by geometrical frustrationPrincipal Investigator

    • Principal Investigator
      Momoi Tsutomu
    • Project Period (FY)
      2016 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Condensed matter physics II
    • Research Institution
      Institute of Physical and Chemical Research
  •  Characteristics and dynamics of spin nematic states in magnetsPrincipal Investigator

    • Principal Investigator
      Momoi Tsutomu
    • Project Period (FY)
      2011 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Condensed matter physics II
    • Research Institution
      Institute of Physical and Chemical Research
  •  低次元フラストレート系におけるカイラル及び多極子秩序とその動的観測量Principal Investigator

    • Principal Investigator
      桃井 勉
    • Project Period (FY)
      2010 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      The Institute of Physical and Chemical Research
  •  ベクトル・スピン・カイラリティー、スピン液体と磁気強誘電性の理論的研究

    • Principal Investigator
      小野田 繁樹
    • Project Period (FY)
      2008 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      The Institute of Physical and Chemical Research
  •  Novel Magnetic States by Ring ExchangePrincipal Investigator

    • Principal Investigator
      MOMOI Tsutomu
    • Project Period (FY)
      2005 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      The Institute of Physical and Chemical Research
  •  Research on Self-organization for Advanced Materials with Novel Electronic Functions

    • Principal Investigator
      KATO Reizo
    • Project Period (FY)
      2004 – 2008
    • Research Category
      Grant-in-Aid for Creative Scientific Research
    • Research Institution
      The Institute of Physical and Chemical Research
  •  多スピン交換相互作用を含む系の理論的研究

    • Principal Investigator
      KUBO Ken
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      物性一般(含基礎論)
    • Research Institution
      AOYAMA GAKUIN UNIVERSITY
  •  2次元量子固体の整合・非整合転移に見られる量子融解現象の解明Principal Investigator

    • Principal Investigator
      桃井 勉
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      固体物性Ⅱ(磁性・金属・低温)
    • Research Institution
      University of Tsukuba
  •  2次元量子固体の磁性における多体交換相互作用の効果の解明Principal Investigator

    • Principal Investigator
      桃井 勉
    • Project Period (FY)
      1999
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      固体物性Ⅱ(磁性・金属・低温)
    • Research Institution
      University of Tsukuba
  •  Theoretical Study of Strongly Correlated Electron Systems with Orbital Degeneracy

    • Principal Investigator
      KUBO Kenn
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      物性一般(含基礎論)
    • Research Institution
      AOYAMA GAKUIN UNIVERSITY
  •  Theoretical Study on the Multiple-exchange Interactions in Two-dimensional Quantum Solids

    • Principal Investigator
      KUBO Kenn
    • Project Period (FY)
      1998 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (B)
    • Research Institution
      Aoyama Gakuin University
      University of Tsukuba
  •  ヘリウム3単原子層膜の2次元物性

    • Principal Investigator
      福山 寛
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      固体物性Ⅱ(磁性・金属・低温)
    • Research Institution
      University of Tsukuba
  •  Theoretical Study on multi-band effect on the ferromagnetism of itinerant electrons

    • Principal Investigator
      KUBO Kenn
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      物性一般(含基礎論)
    • Research Institution
      University of Tsukuba

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2003 2002 Other

All Journal Article Presentation

  • [Journal Article] Dynamics of quantum spin-nematics: Comparisons with canted antiferromagnets2024

    • Author(s)
      Momoi Tsutomu
    • Journal Title

      Physical Review Research

      Volume: 6 Issue: 1

    • DOI

      10.1103/physrevresearch.6.013169

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Journal Article] Magnetically Hidden State on the Ground Floor of the Magnetic Devil’s Staircase2022

    • Author(s)
      Imajo S.、Matsuyama N.、Nomura T.、Kihara T.、Nakamura S.、Marcenat C.、Klein T.、Seyfarth G.、Zhong C.、Kageyama H.、Kindo K.、Momoi T.、Kohama Y.
    • Journal Title

      Physical Review Letters

      Volume: 129 Issue: 14 Pages: 147201-147201

    • DOI

      10.1103/physrevlett.129.147201

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K03778, KAKENHI-PROJECT-22H00104, KAKENHI-PROJECT-19H01832, KAKENHI-PROJECT-20K14403, KAKENHI-PROJECT-20K14406, KAKENHI-PUBLICLY-22H04466
  • [Journal Article] Novel quantum phase of the chromium spinel oxide HgCr2O4 in high magnetic fields2022

    • Author(s)
      S. Kimura, S. Imajo, M. Gen, T. Momoi, M. Hagiwara, H. Ueda, and Y. Kohama
    • Journal Title

      Physical Review B

      Volume: 105 Issue: 18

    • DOI

      10.1103/physrevb.105.l180405

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20J10988, KAKENHI-PROJECT-20K03778, KAKENHI-PROJECT-22H00104, KAKENHI-PROJECT-19H01832, KAKENHI-PROJECT-20K14406, KAKENHI-PROJECT-23K20821, KAKENHI-PROJECT-22H00101
  • [Journal Article] Effects of Dzyaloshinskii-Moriya Interactions in Volborthite: Magnetic Orders and Thermal Hall Effect2020

    • Author(s)
      S. Furukawa, T. Momoi
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 89 Issue: 3 Pages: 034711-034711

    • DOI

      10.7566/jpsj.89.034711

    • NAID

      40022185858

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03446, KAKENHI-PROJECT-16K05425
  • [Journal Article] Spin nematics in frustrated spin-dimer systems with bilayer structure2019

    • Author(s)
      Hikihara Toshiya、Misawa Takahiro、Momoi Tsutomu
    • Journal Title

      Physical Review B

      Volume: 100 Issue: 21 Pages: 214414-214414

    • DOI

      10.1103/physrevb.100.214414

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H02931, KAKENHI-PROJECT-15K05198, KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-16H06345
  • [Journal Article] Spin-Wave Theory for the Scalar Chiral Phase in the Multiple-Spin Exchange Model on a Triangular Lattice2019

    • Author(s)
      Taira Shogo、Yasuda Chitoshi、Momoi Tsutomu、Kubo Kenn
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 88 Issue: 1 Pages: 014701-014701

    • DOI

      10.7566/jpsj.88.014701

    • NAID

      210000135070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-16K05479
  • [Journal Article] Symmetry protected topological phases in two-orbital SU(4) fermionic atoms2018

    • Author(s)
      Ueda Hiroshi、Morimoto Takahiro、Momoi Tsutomu
    • Journal Title

      Physical Review B

      Volume: 98 Issue: 4

    • DOI

      10.1103/physrevb.98.045128

    • NAID

      130006710913

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-17K14359
  • [Journal Article] Electron spin resonance for the detection of long-range spin nematic order2018

    • Author(s)
      Shunsuke C. Furuya and Tsutomu Momoi
    • Journal Title

      Physical Review B

      Volume: 97 Issue: 10

    • DOI

      10.1103/physrevb.97.104411

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-16J04731
  • [Journal Article] Kinetic frustration induced supersolid in the S=1/2 kagome lattice antiferromagnet in a magnetic field2018

    • Author(s)
      Plat Xavier、Momoi Tsutomu、Hotta Chisa
    • Journal Title

      Physical Review B

      Volume: 98 Issue: 1

    • DOI

      10.1103/physrevb.98.014415

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-17K05497, KAKENHI-PROJECT-17K05533, KAKENHI-PROJECT-17H02916
  • [Journal Article] Exact diagonalization and cluster mean-field study of triangular-lattice XXZ antiferromagnets near saturation2017

    • Author(s)
      Daisuke Yamamoto, Hiroshi Ueda, Ippei Danshita, Giacomo Marmorini, Tsutomu Momoi, and Tokuro Shimokawa
    • Journal Title

      Physical Review B

      Volume: 96 Issue: 1 Pages: 014431-014431

    • DOI

      10.1103/physrevb.96.014431

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-25220711, KAKENHI-PROJECT-25800221, KAKENHI-PROJECT-26800200
  • [Journal Article] Geometrically frustrated coarsening dynamics in spinor Bose-Fermi mixtures2017

    • Author(s)
      Nguyen Thanh Phuc, Tsutomu Momoi, Shunsuke Furukawa, Yuki Kawaguchi, Takeshi Fukuhara, and Masahito Ueda
    • Journal Title

      Phys. Rev. A

      Volume: 95 Issue: 1 Pages: 013620-013620

    • DOI

      10.1103/physreva.95.013620

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PLANNED-15H05855, KAKENHI-PUBLICLY-16H00989, KAKENHI-PROJECT-26287088, KAKENHI-PROJECT-25800225, KAKENHI-PROJECT-16K05425, KAKENHI-PROJECT-15K17726
  • [Journal Article] Novel phases in a square-lattice frustrated ferromagnet: 1/3-magnetisation plateau, helicoidal spin-liquid and vortex crystal2016

    • Author(s)
      L. Seabra, P. Sindzingre, T. Momoi, N. Shannon
    • Journal Title

      Phys. Rev. B

      Volume: 93 Issue: 8

    • DOI

      10.1103/physrevb.93.085132

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Magnetic behavior of volborthite Cu3V2O7(OH)2(H2O)2 determined by coupled trimers rather than frustrated chains2016

    • Author(s)
      O. Janson, S. Furukawa, T. Momoi, P. Sindzingre, J. Richter, K. Held
    • Journal Title

      Physical Review Letters

      Volume: 117 Issue: 3

    • DOI

      10.1103/physrevlett.117.037206

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25800225, KAKENHI-PROJECT-16K05425
  • [Journal Article] Detecting Fingerprints of Bimagnon Formation in Frustrated Ferromagnetic Chains2015

    • Author(s)
      Tsutomu Momoi
    • Journal Title

      JPSJ News and Comments

      Volume: 12 Pages: 09-09

    • DOI

      10.7566/jpsjnc.12.09

    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Magnon condensation with finite degeneracy on the triangular lattice2014

    • Author(s)
      G. Marmorini and T. Momoi
    • Journal Title

      Phys. Rev. B

      Volume: 89 Issue: 13

    • DOI

      10.1103/physrevb.89.134425

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Z3 symmetry-protected topological phases in the SU(3) AKLT model2014

    • Author(s)
      T. Morimoto, H. Ueda, T. Momoi, and A. Furusaki
    • Journal Title

      Phys. Rev. B

      Volume: 90 Issue: 23 Pages: 235111-235111

    • DOI

      10.1103/physrevb.90.235111

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23540397, KAKENHI-PROJECT-24540338, KAKENHI-PROJECT-25800221
  • [Journal Article] Dynamical spin structure factors of quantum spin nematic states2013

    • Author(s)
      R. Shindou, S. Yunoki, and T. Momoi
    • Journal Title

      Phys. Rev. B

      Volume: 87 Issue: 5

    • DOI

      10.1103/physrevb.87.054429

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Nematic phase and phase separation near saturation field in frustrated ferromagnets2013

    • Author(s)
      H.T. Ueda and T. Momoi
    • Journal Title

      Phys. Rev. B

      Volume: 87 Issue: 14

    • DOI

      10.1103/physrevb.87.144417

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Spin Nematic and Spin Density Wave Orders in Spatially Anisotropic Frustrated Magnets in Magnetic Fields2013

    • Author(s)
      M. Sato, T. Hikihara, and T. Momoi
    • Journal Title

      Phys. Rev. Lett.

      Volume: 110 Issue: 7

    • DOI

      10.1103/physrevlett.110.077206

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Spin nematic order in multiple-spin exchange models on the triangular lattice2012

    • Author(s)
      T.Momoi, P.Sindzingre, K.Kubo
    • Journal Title

      Phys.Rev.Lett.

      Volume: 108(5) Issue: 5

    • DOI

      10.1103/physrevlett.108.057206

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-22014016, KAKENHI-PROJECT-23540397
  • [Journal Article] 多体交換相互作用が創る固体ヘリウム3薄膜の磁性2012

    • Author(s)
      桃井 勉、久保 健
    • Journal Title

      固体物理

      Volume: 47 Pages: 207-214

    • NAID

      40019343611

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Journal Article] Field and temperature dependence of the NMR relaxation rate in the magnetic quadrupolar liquid phase of spin-1/2 frustrated ferromagnetic chains2011

    • Author(s)
      M.Sato, T.Hikihara, T.Momoi
    • Journal Title

      Phys.Rev.B

      Volume: 83

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Journal Article] Projective studies of spin nematics in a quantum frustrated ferromagnet2011

    • Author(s)
      R.Shindou, S.Yunoki, T.Momoi
    • Journal Title

      Physical Review B

      Volume: 84(13) Issue: 13

    • DOI

      10.1103/physrevb.84.134414

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-22014016, KAKENHI-PROJECT-23540397
  • [Journal Article] Phase diagram of the classical Heisenberg antiferromagnet on a triangular lattice in an applied magnetic field2011

    • Author(s)
      L.Seabra, T.Momoi, P.Sindzingre, N.Shannon
    • Journal Title

      Physical Review B

      Volume: 84(21) Issue: 21

    • DOI

      10.1103/physrevb.84.214418

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-22014016, KAKENHI-PROJECT-23540397
  • [Journal Article] NMR relaxation rate in the field-induced octupolar liquid phase of spin-1/2 J1-J2 frustrated chains2011

    • Author(s)
      M.Sato, T.Hikihara, T.Momoi
    • Journal Title

      Journal of Physics : Conference Series

      Volume: 320 Pages: 012014-012014

    • DOI

      10.1088/1742-6596/320/1/012014

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21740295, KAKENHI-PUBLICLY-22014016, KAKENHI-PROJECT-23540397
  • [Journal Article] 磁性体中のスピンの量子ネマティック状態2010

    • Author(s)
      桃井勉
    • Journal Title

      日本物理学会誌

      Volume: 65 Pages: 345-348

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Journal Article] 磁性体中のスピンの量子ネマティック状態2010

    • Author(s)
      桃井勉
    • Journal Title

      日本物理学会誌 65(印刷中)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] SU(2) slave-boson formulation of spin nematic states in S=1/2 frustrated ferromagnets2009

    • Author(s)
      R.Shindou, T.Momoi
    • Journal Title

      Physical Review B 80

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] SU(2) slave-boson formulation of spin nematic states in S=1/2 frustrated ferromagnets2009

    • Author(s)
      R. Shindou, T. Momoi
    • Journal Title

      Physical Review B 80

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Vector chiral and multipolar orders in the spin-1/2 frustrated ferromagnetic chain in magnetic field2008

    • Author(s)
      T. Momoi(4名中3番目)
    • Journal Title

      Physical Review B 78

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Finite temperature Mott transition in Hubbard model on anisotropic triangular lattice2008

    • Author(s)
      T. Ohash, T. Momoi, H. Tsunetsugu, N. Kawakami
    • Journal Title

      Physical Review Letters 100

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Vector chiral and multipolar orders in the spin-1/2 frustrated ferromagnetic chain in magnetic field2008

    • Author(s)
      T. Hikihara, L. Kecke, T. Momoi, A. Furusaki
    • Journal Title

      Phys. Rev. B 78

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Journal Article] Nematic Order in Square Lattice Frustrated Ferromagnets2006

    • Author(s)
      N. Shannon, T. Momoi, P. Sindzingre
    • Journal Title

      Physical Review Letters 96(in press)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Octupolar order in the multiple spin exchange model on a triangular lattice2006

    • Author(s)
      T.Momoi
    • Journal Title

      Physical Review Letters 97

    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Journal Article] Nematic Order in Square Lattice Frustrated Ferromagnets2006

    • Author(s)
      N.Shannon, T.Momoi, P.Sindzingre
    • Journal Title

      Physical Review Letters 96・2

      Pages: 27213-27213

    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Octupolar Order in the Multiple Spin Exchange Model on a Triangular Lattice2006

    • Author(s)
      T. Momoi, P. Sindzingre, N. Shannon
    • Journal Title

      Physical Review Letters 97

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Octupolar Order in the Multiple Spin Exchange Model on a Triangular Lattice2006

    • Author(s)
      Tsutomu Momoi 他
    • Journal Title

      Phys. Rev. Lett. 97

      Pages: 257204-257204

    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Nematic order in square lattice frustrated ferromagnets2006

    • Author(s)
      N.Shannon, T.Momoi, P.Sindzingre
    • Journal Title

      Phys. Rev.Lett. 96・2

    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Journal Article] Nematic Order in the Multiple-Spin Exchange Model on the Triangular Lattice2005

    • Author(s)
      T.Momoi, N.Shannon
    • Journal Title

      Progress of the Theoretical Physics Supplement (159)

      Pages: 72-76

    • NAID

      210000128085

    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Duality Relations and Exotic Orders in Electronic Ladder Systems2005

    • Author(s)
      T.Momoi, T.Hikihara
    • Journal Title

      Journal of the Physical Society of Japan Supplement 74

      Pages: 226-233

    • Data Source
      KAKENHI-PROJECT-17071011
  • [Journal Article] Effect of Zero Point Motion on Solidification of Quantum Particles2003

    • Author(s)
      D.S.Hirashima, T.Momoi, T.Takagi
    • Journal Title

      J.Phys.Soc.Jpn. 72

      Pages: 1446-1451

    • NAID

      110001954559

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Exact Duality Relations in Interacting Electron Systems2003

    • Author(s)
      T.Momoi, T.Hikihara
    • Journal Title

      Phys.Rev.Lett. 91

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Spin-Chirality Duality in a Spin Ladder with Four-Spin Cyclic Exchanges2003

    • Author(s)
      T.Hikihara, T.Momoi, X.Hu
    • Journal Title

      Phys.Rev.Lett. 90

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Scalar Chiral Ground States of Spin Ladders with Four-Spin Exchanges2003

    • Author(s)
      T.Momoi, T.Hikihara, M.Nakamura, X.flu
    • Journal Title

      Phys.Rev.B 67

    • NAID

      110002214552

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Scalar Chiral Ground States of Spin Ladders with Four-Spin Exchanges2003

    • Author(s)
      T.Momoi, T.Hikihara, M.Nakamura, X.Hu
    • Journal Title

      Phys.Rev.B 67

      Pages: 174410-174410

    • NAID

      110002214552

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Spin-Chirality Duality in a Spin Ladder with Four-Spin Cyclic Exchanges2003

    • Author(s)
      K.Kubo, T.Momoi
    • Journal Title

      Physica B 329-333

      Pages: 142-143

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Magnetic ground-state phase diagram of a multi-spin exchange model on the triangular lattice2003

    • Author(s)
      K.Kubo, T.Momoi
    • Journal Title

      Physica B 329-333

      Pages: 142-143

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Quantum Melting of Domain walls in Two Dimensions2002

    • Author(s)
      T.Momoi
    • Journal Title

      J.Low Temp.Phys. 126

      Pages: 731-736

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Journal Article] Ferromagnetism in the one-dimensional Hubbard model with orbital degeneracy : From low to high electron density2002

    • Author(s)
      H.Sakamoto, T.Momoi, K.Kubo
    • Journal Title

      Phys.Rev.B 65

      Pages: 224403-224403

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540362
  • [Presentation] クラスター展開を用いた非摂動的有効ハミルトニアンの導出法2024

    • Author(s)
      桃井 勉
    • Organizer
      日本物理学会2024年春季大会
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] Dynamics of quantum spin-nematics2024

    • Author(s)
      Tsutomu Momoi
    • Organizer
      CEMS Symposium on Emergent Quantum Materials 2024
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] Dynamics of quantum spin-nematics2024

    • Author(s)
      桃井 勉
    • Organizer
      第19回 量子スピン系研究会
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] スピンネマティック状態における動的物理量の再考2023

    • Author(s)
      桃井 勉
    • Organizer
      日本物理学会第78回年次大会
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] Dynamics of spin nematics revisited2023

    • Author(s)
      Tsutomu Momoi
    • Organizer
      International Conference on Quantum Liquid Crystals 2023 (QLC2023)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] クロムスピネル酸化物HgCr2O4のパルス強磁場下比熱測定2022

    • Author(s)
      木村尚次郎, 今城周作, 厳正輝, 桃井勉, 萩原政幸, 植田浩明, 小濱芳允
    • Organizer
      日本物理学会第77回年次大会
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] Dynamics of spin nematics revisited2022

    • Author(s)
      桃井勉
    • Organizer
      新学術領域研究「量子液晶の物性科学」令和4年度領域研究会
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] 1次元および2次元量子フラストレートスピン系の1/3磁化プラトー上のLieb-Schultz-Mattis定理2021

    • Author(s)
      古谷峻介, 堀之内裕理, 桃井勉
    • Organizer
      日本物理学会2021年秋季大会
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] Coupled Trimer Description of Kagome Compound Volborthite2021

    • Author(s)
      Tsutomu Momoi
    • Organizer
      International Workshop on Quantum Magnets in Extreme Conditions
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K03778
  • [Presentation] ボルボサイトにおけるDzyaloshinskii-Moriya相互作用の効果II2020

    • Author(s)
      古川俊輔、桃井 勉
    • Organizer
      日本物理学会第75回年次大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] スピンネマティックの物理2019

    • Author(s)
      桃井 勉
    • Organizer
      日本物理学会第74回年次大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] フラストレート・スピンダイマー系におけるスピンネマティック秩序状態の多変数変分モンテカルロ法による解析2019

    • Author(s)
      三澤貴宏、引原俊哉、桃井 勉
    • Organizer
      日本物理学会2019年秋季大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] カゴメ反強磁性体の磁場中スピン構造 - 超固体 -2018

    • Author(s)
      桃井 勉、Xavier Plat、堀田知佐
    • Organizer
      基研研究会 スピン系物理の最前線
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 六体交換まで含めた三角格子多スピン交換模型のスピン波理論による解析2018

    • Author(s)
      平良翔吾、安田千寿、桃井勉
    • Organizer
      日本物理学会 第73回年次大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] Shastry-Sutherland模型物質SrCu2(BO3)2の電子スピン共鳴の選択則と磁場依存性2018

    • Author(s)
      古谷峻介、桃井 勉
    • Organizer
      2018年日本物理学会秋季大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 幾何学的フラストレーションを持つ SU(4) 対称 Mott 絶縁体における電気分極の理論2018

    • Author(s)
      田中克大、桃井 勉、堀田知佐
    • Organizer
      2018年日本物理学会秋季大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] Kinetic frustration induced supersolid in the S = 1/2 kagome lattice antiferromagnet in a magnetic field2018

    • Author(s)
      Xavier Plat, Tsutomu Momoi, Chisa Hotta
    • Organizer
      Highly frustrated magnetism 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] ボルボサイトにおけるDzyaloshinskii-Moriya相互作用の効果2018

    • Author(s)
      古川俊輔、桃井勉
    • Organizer
      日本物理学会 第73回年次大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] Magnetization plateau and supersolidity in the Heisenberg Kagome model2018

    • Author(s)
      Xavier Plat、桃井勉、堀田知佐
    • Organizer
      日本物理学会 第73回年次大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] Supersolid in the kagome antiferromagnet in a magnetic field2018

    • Author(s)
      Tsutomu Momoi
    • Organizer
      The 2nd Asia Pacific Workshop on Quantum Magnetism
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 電子スピン共鳴によるferroquadrupolar秩序変数の検出の理論2017

    • Author(s)
      古谷峻介, 桃井勉
    • Organizer
      日本物理学会 第72回年次大会(2017年)
    • Place of Presentation
      大阪大学 (大阪府豊中市)
    • Year and Date
      2017-03-17
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 次々近接相互作用まで含めた多スピン交換模型における四面体構造の安定性2017

    • Author(s)
      平良翔吾、安田千寿、桃井勉
    • Organizer
      日本物理学会 2017年秋季大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] Quantum phases of triangular-lattice spin-S XXZ antiferromagnets near saturation2017

    • Author(s)
      Daisuke Yamamoto, Hiroshi Ueda, Ippei Danshita, Giacomo Marmorini, Tsutomu Momoi, and Tokuro Shimokawa
    • Organizer
      International Conference on Low Temperature Physics (LT28)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 強磁性ダイマーからなる2次元フラストレート量子スピン系におけるスピンネマティック秩序状態2017

    • Author(s)
      引原俊哉、桃井勉
    • Organizer
      日本物理学会 2017年秋季大会
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 三角格子反強磁性体における希薄マグノンのBose凝縮と磁気秩序2017

    • Author(s)
      山本大輔, 上田宏, 段下一平, Giacomo Marmorini, 桃井勉, 下川統久朗
    • Organizer
      日本物理学会 第72回年次大会(2017年)
    • Place of Presentation
      大阪大学 (大阪府豊中市)
    • Year and Date
      2017-03-20
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 2軌道SU(4)フェルミ原子系に現れる対称性に守られたトポロジカル相2017

    • Author(s)
      上田宏, 森本高裕, 桃井勉
    • Organizer
      日本物理学会 第72回年次大会(2017年)
    • Place of Presentation
      大阪大学 (大阪府豊中市)
    • Year and Date
      2017-03-20
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 多軌道系におけるスピンと電気分極の相関2017

    • Author(s)
      田中克大, 桃井勉, 堀田知佐
    • Organizer
      日本物理学会 第72回年次大会(2017年)
    • Place of Presentation
      大阪大学 (大阪府豊中市)
    • Year and Date
      2017-03-20
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] スピンネマティク相の出現とマグノン対励起2017

    • Author(s)
      桃井勉
    • Organizer
      強磁場フォーラム主催研究会「強磁場コラボラトリーが拓く未踏計測領域への挑戦と物質・材料科学の最先端」
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] Spin nematics in frustrated magnets and their electron spin resonance2017

    • Author(s)
      Tsutomu Momoi
    • Organizer
      Junjiro Kanamori Memorial International Symposium - New Horizon of Magnetism -
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 正方格子フラストレート強磁性体におけるorder by disorder2016

    • Author(s)
      Luis Seabra, Philippe Sindzingre, 桃井 勉, Nic Shannon
    • Organizer
      日本物理学会 第71回年次大会
    • Place of Presentation
      東北学院大学・仙台市・宮城県
    • Year and Date
      2016-03-20
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Frustrated Spin Dynamics in Spinor Bose-Fermi Mixtures2016

    • Author(s)
      Nguyen Thanh Phuc, Tsutomu Momoi, Shunsuke Furukawa, Yuki Kawaguchi, Takeshi Fukuhara, Masahito Ueda
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      金沢大学 (石川県金沢市)
    • Year and Date
      2016-09-16
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] On the 0-π transition of coplanar states in quantum triangular XXZ antiferromagnets near saturation2016

    • Author(s)
      Daisuke Yamamoto, Hiroshi Ueda, Ippei Danshita, Giacomo Marmorini, Tsutomu Momoi, Tokuro Shimokawa
    • Organizer
      8th International Conference on Highly Frustrated Magnetism (HFM2016)
    • Place of Presentation
      Taipei, Taiwan
    • Year and Date
      2016-09-08
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 結合トライマー模型によるボルボサイトの磁気的性質の解析2016

    • Author(s)
      O. Janson, 古川俊輔, 桃井 勉, P. Sindzingre, J. Richter, K. Held
    • Organizer
      日本物理学会 第71回年次大会
    • Place of Presentation
      東北学院大学・仙台市・宮城県
    • Year and Date
      2016-03-19
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Modeling Volborthite with Coupled Magnetic Trimers2016

    • Author(s)
      T. Momoi, O. Janson, S. Furukawa, P. Sindzingre, J. Richter, K. Held
    • Organizer
      8th International Conference on Highly Frustrated Magnetism (HFM2016)
    • Place of Presentation
      Taipei, Taiwan
    • Year and Date
      2016-09-08
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05425
  • [Presentation] 磁性体中のネマティック状態2015

    • Author(s)
      桃井 勉
    • Organizer
      早稲田大学高等研究所 Top Runners’ Lecture Collection of Science「磁性体研究の最前線: フラストレーションと強磁場が生む量子現象」
    • Place of Presentation
      早稲田大学・新宿区・東京都
    • Year and Date
      2015-04-30
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] フラストレート磁性体における磁場誘起スピンネマティック相の理論2015

    • Author(s)
      桃井 勉
    • Organizer
      日本物理学会第70回年次大会シンポジウム
    • Place of Presentation
      早稲田大学(東京都新宿区)
    • Year and Date
      2015-03-21
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] 正方格子フラストレート強磁性体における1/3磁化プラトー、ヘリコイダルスピン液体、ボーテックス結晶2015

    • Author(s)
      桃井 勉
    • Organizer
      東京大学物性研究所短期研究会「スピン系物理の深化と最前線」
    • Place of Presentation
      東京大学物性研究所・柏市・千葉県
    • Year and Date
      2015-11-17
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Magnon pairing in pyrochlore antiferromagnets2014

    • Author(s)
      E. Takata, T. Momoi, M. Oshikawa
    • Organizer
      International Workshop on Highly Frustrated Magnetism 2014 (HFM2014)
    • Place of Presentation
      University of Cambridge, Cambridge, UK
    • Year and Date
      2014-07-08
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Theory of Quantum States under High Magnetic Field in S=3/2 Pyrochlore Antiferromagnets2014

    • Author(s)
      E. Takata, T. Momoi, M. Oshikawa
    • Organizer
      The OIST International Workshop on Novel Quantum Materials and Phases
    • Place of Presentation
      沖縄県 沖縄科学技術大学
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Magnon pairing in pyrochlore antiferromagnets2014

    • Author(s)
      T. Momoi, E. Takata, M. Oshikawa
    • Organizer
      International Conference on Highly Frustrated Magnetism 2014
    • Place of Presentation
      University of Cambridge, England
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] フラストレート磁性体における量子スピンネマティック状態2012

    • Author(s)
      桃井 勉
    • Organizer
      京大基研研究会「量子スピン系の物理」
    • Place of Presentation
      京都大学、京都
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Competition between Spin Nematic and Spin Density Wave Orders in Spatially Anisotropic Frustrated Magnets in Magnetic Fields2012

    • Author(s)
      Masahiro Sato, Toshiya Hikihara, Tsutomu Momoi
    • Organizer
      APS March Meeting
    • Place of Presentation
      Boston Convention Center, Boston, USA
    • Year and Date
      2012-02-28
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] Competition between Spin Nematic and Spin Density Wave Orders in Spatially Anisotropic Frustrated Magnets in Magnetic Fields2012

    • Author(s)
      Masahiro Sato, Toshiya Hikihara and Tsutomu Momoi
    • Organizer
      APS March Meeting
    • Place of Presentation
      Boston, USA
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] 磁場中三角格子古典ハイゼンベルグ模型の相転移2012

    • Author(s)
      Luis Seabra、桃井 勉、Philippe Sindzingre、Nic Shannon
    • Organizer
      日本物理学会 第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Spin nematic order in the multiple - spin exchange model on the triangular2012

    • Author(s)
      Tsutomu Momoi
    • Organizer
      Highly frustrated magnetism 2012
    • Place of Presentation
      McMaster University, Hamilton, Canada
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] 磁場中三角格子古典ハイゼンベルグ模型の相転移2012

    • Author(s)
      Luis Seabra、桃井勉、Philippe Sindzingre、Nic Shannon
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学
    • Year and Date
      2012-03-25
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] A theory of spin nematics in S = 1/2 frustrated ferromagnets2012

    • Author(s)
      Tsutomu Momoi
    • Organizer
      Highly frustrated magnetism 2012
    • Place of Presentation
      McMaster University, Hamilton, Canada
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] 三角格子多体スピン交換模型におけるスピンネマティック状態の秩序変数2011

    • Author(s)
      桃井 勉、Philippe Sindzingre、久保 健
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      富山大学(富山県)
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Variational Monte Carlo study of spin nematic states in square lattice frustrated ferromagnets2011

    • Author(s)
      T.Momoi, R.Shindou, S.Yunoki
    • Organizer
      International Conference on Frustration in Condensed Matter (ICFCM)
    • Place of Presentation
      Sendai
    • Year and Date
      2011-01-14
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] 三角格子多体スピン交換模型におけるスピンネマティック状態の秩序変数2011

    • Author(s)
      桃井勉、Philippe Sindzingre、久保健
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-22
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] Spin Dynamics in field-induced quadrupolar and octupolar liquid states in spin-1/2 frustrated chains2011

    • Author(s)
      M.Sato, T.Hikihara, T.Momoi
    • Organizer
      International Conference on Frustration in Condensed Matter (ICFCM)
    • Place of Presentation
      Sendai
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] ジグザグスピン梯子系におけるスピン多極子秩序の観測可能性2011

    • Author(s)
      引原俊哉, 佐藤正寛, 桃井勉, 古崎昭
    • Organizer
      科研費特定領域研究「フラストレーションが創る新しい物性」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
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] Spin dynamics in multipolar phases of one-dimensional quantum frustrated ferromagnet2010

    • Author(s)
      M.Sato, T.Hikihara, T.Momoi, A.Furusaki
    • Organizer
      Quantum Matter in Low Dimensions : Opportunities and Challenges
    • Place of Presentation
      Stockholm, Sweden
    • Year and Date
      2010-09-06
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] Spin nematic order and magnetization plateau in a multiple-spin exchange model on the triangular lattice2010

    • Author(s)
      T.Momoi, K.Kubo, P.Sindzingre
    • Organizer
      5th International Conference on Highly Frustrated Magnetism (HFM 2010)
    • Place of Presentation
      Baltimore, USA
    • Year and Date
      2010-08-03
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] Spin nematics in spin 1/2 frustrated magnets2010

    • Author(s)
      T.Momoi
    • Organizer
      International Conference on Frustrated Spin Systems, Cold Atoms, Nanomaterials
    • Place of Presentation
      Hanoi, Vietnam
    • Year and Date
      2010-07-16
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] Nematic spin liquids in frustrated magnets (招待講演)2010

    • Author(s)
      桃井勉
    • Organizer
      UK-Japan Joint Workshop
    • Place of Presentation
      Bristol, UK
    • Year and Date
      2010-02-23
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Nematic spin liquids in frustrated magnets2010

    • Author(s)
      桃井勉
    • Organizer
      UK-Japan Joint Workshop
    • Place of Presentation
      ブリストル、イギリス
    • Year and Date
      2010-02-23
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] NMR relaxation rate and dynamical structure factors in field-induced magnetic multi-polar phases of spin-1/2 frustrated ferromagnetic chains2010

    • Author(s)
      M.Sato, T.Hikihara, T.Momoi, A.Furusaki
    • Organizer
      Highly Frustrated Magnetism 2010
    • Place of Presentation
      Baltimore, USA
    • Data Source
      KAKENHI-PUBLICLY-22014016
  • [Presentation] 三角格子多体スピン交換模型における磁化プラトーとネマティック状態2009

    • Author(s)
      桃井勉, 他2名
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学、熊本
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] 三角格子多体交換模型におけるカイラル・ネマティック相2009

    • Author(s)
      桃井勉
    • Organizer
      文科省科学研究補助金特定領域研究「フラストレーションが創る新しい物性」第4回トピカルミーティング「フラストレーションとカイラリティ」
    • Place of Presentation
      神戸
    • Year and Date
      2009-07-03
    • Data Source
      KAKENHI-PROJECT-20046016
  • [Presentation] Multi-porlar liquids and chiral order in the frustrated ferromagnetic 1D chain2009

    • Author(s)
      桃井勉
    • Organizer
      文部科学省科学研究補助金特定領域研究「フラストレーションが創る新しい物性」 平成20年度領域成果報告会
    • Place of Presentation
      東京大学物性研究所
    • Year and Date
      2009-01-08
    • Data Source
      KAKENHI-PROJECT-20046016
  • [Presentation] Nematic and multipolar orders in spin-1/2 frustrated magnets2009

    • Author(s)
      桃井勉
    • Organizer
      International Workshop on Quantum Critical Phenomena and Novel Phases in Superclean Materials
    • Place of Presentation
      Honolulu, USA
    • Year and Date
      2009-01-13
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Multi-polar orders in spin-1/2 frustrated magnets (招待講演)2008

    • Author(s)
      桃井勉
    • Organizer
      Workshop on Topological Aspects of Solid State Physics
    • Place of Presentation
      京都
    • Year and Date
      2008-06-23
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Nematic and multipolar orders in spin-1/2 frustrated magnets2008

    • Author(s)
      T. Momoi
    • Organizer
      International Symposium on Topological Aspects of Solid State Physics
    • Place of Presentation
      Kyoto, Japan
    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Presentation] Multi-polar orders in spin-1/2 frustrated magnets2008

    • Author(s)
      T. Momoi
    • Organizer
      Workshop on Topological Aspects of Solid State Physics
    • Place of Presentation
      京都大学
    • Year and Date
      2008-06-23
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Multi-polar liquids and chiral order in the frustrated ferromagnetic 1D chain2008

    • Author(s)
      T. Momoi, 他3名
    • Organizer
      Highly Frustrated Magnetism 2008 (HFM2008)
    • Place of Presentation
      Braunschweig, Germany
    • Year and Date
      2008-09-10
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Multi-polar liquids and chiral order in the frustrated ferromagnetic ID chain2008

    • Author(s)
      T. Momoi
    • Organizer
      Highly Frustrated Magnetism 2008
    • Place of Presentation
      Braunschweig, Germany
    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Presentation] Multi-polar orders in spin-1/2 frustrated magnets2008

    • Author(s)
      T. Momoi
    • Organizer
      Topological Aspects of Solid State Physics
    • Place of Presentation
      Kyoto, Japan
    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Presentation] Nematic and octupolar phases in the multiple spin exchange models2007

    • Author(s)
      T. Momoi
    • Organizer
      International Symposium on Physics of New Quantum Phases in Superclean Materials
    • Place of Presentation
      岐阜(日本)
    • Year and Date
      2007-10-31
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Octupolar order in the multiple spin exchange model on a triangular lattice2007

    • Author(s)
      桃井勉
    • Organizer
      Workshop on Highly Frustrated Magnets and Strongly Correlated Systems: From Non-Perturbative Approaches to Experiments
    • Place of Presentation
      Trieste, Italy
    • Year and Date
      2007-08-16
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Nematic and octupolar phases in the multiple spin exchange models2007

    • Author(s)
      T. Momoi
    • Organizer
      International Symposium on Physics of New Quantum Phases in Superclean Materials (PSM2007)
    • Place of Presentation
      Gifu, Japan
    • Year and Date
      2007-10-31
    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Presentation] Octupolar order in the multiple spin exchange model on a triangular lattice2007

    • Author(s)
      T. Momoi
    • Organizer
      Workshop on Highly Frustrated Magnets and Strongly Correlated Systems: From Non-Perturbative Approaches to Experiments
    • Place of Presentation
      トリエステ(イタリア)
    • Year and Date
      2007-08-16
    • Data Source
      KAKENHI-PROJECT-17071011
  • [Presentation] Octupolar order in the multiple spin exchange model on a triangular lattice2007

    • Author(s)
      T. Momoi
    • Organizer
      Workshop on Highly Frustrated Magnets and Strongly Correlated Systems: From Non-Perturbative Approaches to Experiments
    • Place of Presentation
      Trieste, Italy
    • Year and Date
      2007-08-16
    • Data Source
      KAKENHI-PROJECT-16GS0219
  • [Presentation] フラストレート磁性体におけるネマティック状態

    • Author(s)
      桃井 勉
    • Organizer
      統計力学の最近の展開
    • Place of Presentation
      東京都 東京大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] Magnon pairing in pyrochlore antiferromagnets

    • Author(s)
      T. Momoi, E. Takata, M. Oshikawa
    • Organizer
      International Workshop on Frustration and Topology in Condensed Matter Physics
    • Place of Presentation
      Tainann, Taiwan
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] パイロクロア反強磁性体における双二次相互作用がもたらすマグノン束縛状態に関する理論的研究

    • Author(s)
      高田えみか,桃井 勉,押川正毅
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      神奈川県 東海大学 湘南キャンパス
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] High magnetic field phases of the J1-J2 and J1-J3 triangular antiferromagnet

    • Author(s)
      Giacomo Marmorini and Tsutomu Momoi
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      徳島県 徳島大学
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] パイロクロア反強磁性体の飽和磁化近傍量子相

    • Author(s)
      桃井 勉、高田えみか、押川正毅
    • Organizer
      物性理論研究会
    • Place of Presentation
      徳島県 神山町
    • Data Source
      KAKENHI-PROJECT-23540397
  • [Presentation] S=3/2パイロクロア反強磁性体の飽和磁化近傍量子相の理論的研究

    • Author(s)
      高田えみか、桃井 勉、押川正毅
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      徳島県 徳島大学
    • Data Source
      KAKENHI-PROJECT-23540397
  • 1.  KUBO Kenn (30015862)
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  • 2.  FURUSAKI Akira (10238678)
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  • 19.  引原 俊哉 (00373358)
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  • 20.  佐藤 正寛 (90425570)
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  • 21.  CHRISTOPHER ボイヤレ
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