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

Research Project

Project/Area Number 20340096
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionUniversity of Hyogo (2009-2010)
Japan Atomic Energy Agency (2008)

Principal Investigator

SAKAI Toru  兵庫県立大学, 大学院・物質理学研究科, 教授 (60235116)

Co-Investigator(Kenkyū-buntansha) NAKANO Hiroki  兵庫県立大学, 大学院・物質理学研究科, 助教 (00343418)
NOMURA Takuji  日本原子力研究開発機構, 量子ビーム応用研究部門, 副主任研究員 (90373240)
SEO Hitoshi  理化学研究所, 基幹研究所, 専任研究員 (30415054)
TONEGAWA Takashi  神戸大学, 理学部, 名誉教授 (80028167)
OKAMOTO Kiyomi  東京工業大学, 大学院・理工学研究科, 助教 (10114860)
OKUNISHI Kouichi  新潟大学, 自然科学系, 准教授 (30332646)
岡本 清美  東京工業大学, 大学院・理工学研究科, 助教 (40152342)
Co-Investigator(Renkei-kenkyūsha) SATO Masahiro  青山学院大学, 理工学部, 助教 (90425570)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2010: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2009: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2008: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Keywords磁性 / 量子スピン系 / ナノチューブ / カイラリティ / スピンギャップ / スピン液体 / スピンナノチューブ / 量子相転移 / ナノ磁性 / スピンギヤツプ / 低次元系 / ナノ磁性体
Research Abstract

The S=1/2 three-leg spin nanotube was investigated theoretically using the numerical diagonalization and the density matrix renormalization group calculation. It was found that this system exhibits a quantum phase transition characterized by the spin gap with respect to the lattice distortion of each unit cell from the regular to isosceles triangle.

Report

(5 results)
  • 2010 Annual Research Report   Self-evaluation Report ( PDF )   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (118 results)

All 2011 2010 2009 2008 Other

All Journal Article (67 results) (of which Peer Reviewed: 62 results) Presentation (46 results) Remarks (5 results)

  • [Journal Article] Critical magnetization behavior of the triangular-and kagome-lattice quantum antiferromagnets2011

    • Author(s)
      T.Sakai, H.Nakano
    • Journal Title

      Physical Review B 83

    • Related Report
      2010 Self-evaluation Report
  • [Journal Article] Magnetization Plateau of the Quantum Spin Nanotube2011

    • Author(s)
      K.Okamoto
    • Journal Title

      Physica E

      Volume: 43 Pages: 769-772

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Collapse of Ferrimagnetism in Two-Dimensional Heisenberg Antiferromagnet due to Frustration2011

    • Author(s)
      H.Nakano
    • Journal Title

      Journal of Physical Society of Japan

      Volume: 80

    • NAID

      40018753705

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Critical magnetization behavior of the triangular- and kagome-lattice quantum antiferromagnets2011

    • Author(s)
      T.Sakai
    • Journal Title

      Physical Review B

      Volume: 83

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Haldane, Large-D and Intermediate-D States in an S=2 Quantum Spin Chain with On-Site and XXZ Anisotropies2011

    • Author(s)
      T.Tonegawa
    • Journal Title

      Journal of Physical Society of Japan

      Volume: 80

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Novel Phase Transition Probed by Sound Velocity in Quasi-One-Dimensional Ising-Like Antiferromagnet BaCo2V2O82011

    • Author(s)
      H.Yamaguchi
    • Journal Title

      Journal of Physical Society of Japan

      Volume: 80

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Topological disentangler for the valence-bond-solid chain2011

    • Author(s)
      K.Okunishi
    • Journal Title

      Physical Review B

      Volume: 83

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Uniform Matrix Product State in the Thermodynamic Limit2011

    • Author(s)
      H.Ueda
    • Journal Title

      Journal of Physical Society of Japan

      Volume: 80

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Numerical Exact Diagonalization Study on a Phonon-Assisted Hole Paring in the High-Tc Cuprates2010

    • Author(s)
      T. Sakai
    • Journal Title

      Physica C

      Volume: 470

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Magnetization Process of the Kagome Lattice Antiferromagnet2010

    • Author(s)
      H. Nakano and T. Sakai
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 79

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Annual Research Report 2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Self-evaluation Report
  • [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

    • Related Report
      2010 Self-evaluation Report
  • [Journal Article] Magnetization Process of the Kagome Lattice Antiferromagnet2010

    • Author(s)
      H.Nakano
    • Journal Title

      Journal of Physical Society of Japan

      Volume: 79

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Field Induced Exotic Phenomena of the S=1/2 Three-Leg Quantum Spin Nanotube2010

    • Author(s)
      T.Sakai
    • Journal Title

      Journal of Low Temperature Physics

      Volume: 159 Pages: 55-58

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya interaction2010

    • Author(s)
      T.Sakai
    • Journal Title

      Journal of Physics : Conference Series

      Volume: 200

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum Spin Nanotubes---frustration, competing orders and criticalities2010

    • Author(s)
      T.Sakai
    • Journal Title

      Journal of Physics : Condensed Matter

      Volume: 22

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Half Magnetization Plateau of Frustrated S=1 Antiferromagnetic Chain2010

    • Author(s)
      T.Tonegawa
    • Journal Title

      Journal of Physics : Conference Series

      Volume: 200

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] First-Order Phase Transition between One-Third Magnetization Plateau States in an Anisotropic (S,S') Spin Alternating Chain2010

    • Author(s)
      T.Tonegawa
    • Journal Title

      Physica Status Solidi B

      Volume: 247 Pages: 688-690

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Scaling Relation for Excitation Energy under Hyperbolic Deformation2010

    • Author(s)
      H.Ueda
    • Journal Title

      Progress of Theoretical Physics

      Volume: 124 Pages: 389-398

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Scale free property and edge state of Wilson's numerical renormalization group2010

    • Author(s)
      K.Okunishi
    • Journal Title

      Physical Review B

      Volume: 82

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wang-Landau simulation of the quasi-one-dimensional spin systems2010

    • Author(s)
      K.Okunishi
    • Journal Title

      Journal of Physics : Conference Series

      Volume: 200 Pages: 22043-22043

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Field Induced Exotic Phenomena of the S=1/2 Three-Leg Quantum Spin Nanotube2010

    • Author(s)
      T.Sakai
    • Journal Title

      Journal of Low Temperature Physics 159

      Pages: 55-58

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya interaction2010

    • Author(s)
      T.Sakai
    • Journal Title

      Journal of Physics : Conference Series 200

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wang-Landau simulation of the quasi-one-dimensional spin systems2010

    • Author(s)
      K.Okunishi
    • Journal Title

      Journal of Physics : Conference Series 200

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Precise estimates by finite-size extrapolations of the S=1 Haldane-gapped system2010

    • Author(s)
      H.Nakano
    • Journal Title

      Journal of Physics : Conference Series 200

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Half Magnetization Plateau of Frustrated S=1 Antiferromagnetic Chain2010

    • Author(s)
      T.Tonegawa
    • Journal Title

      Journal of Physics : Conference Series 200

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Field-Induced Nematic Phase in the Spin Ladder System with Easy-Axis Anisotropy2010

    • Author(s)
      T.Sakai
    • Journal Title

      Physica Status Solidi B 247

      Pages: 583-585

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] First-Order Phase Transition between One-Third Magnetization Plateau States in an Anisotropic(S, S')Spin Alternating Chain2010

    • Author(s)
      T.Tonegawa
    • Journal Title

      Physica Status Tolidi 247

      Pages: 688-690

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetization Process of the Kagome Lattice Antiferromagnet2010

    • Author(s)
      H.Nakano
    • Journal Title

      Journal of the Physical Society of Japan 79

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum Phase Transition of a Triangular Lattice Spin Tube and Edge Spin Effects2009

    • Author(s)
      K. Okunishi, S. Yoshikawa, T. Sakai and S. Miyashita
    • Journal Title

      Int. J. Mod. Phys. C

      Volume: 20 Pages: 1423-1430

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Dzylashinsky-Moriya Interaction in the S=1/2 Quasi-One-Dimensional Antiferromagnet Cu2Cl4・H8C4SO2 as Determined via High-Frequency ESR2009

    • Author(s)
      M. Fujisawa, K. Shiraki, S. Okubo, H. Ohta, M. Yoshida, H. Tanaka and T. Sakai
    • Journal Title

      Phys. Rev. B

      Volume: 80

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Polarization Plateau in Atomic Fermi Gas Loaded on Triangular Optical Lattice2009

    • Author(s)
      M. Okumura, S. Yamada, M. Machida and T. Sakai
    • Journal Title

      Phys. Rev. A

      Volume: 79

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum Phase Transition of a Triangular Lattice Spin Tube and Edge Spin Effects2009

    • Author(s)
      K.Okunishi, S.Yoshikawa, T.Sakai, S.Miyashita
    • Journal Title

      International Journal of Modern Physics C20

      Pages: 1423-1430

    • Related Report
      2010 Self-evaluation Report
  • [Journal Article] Polarization Plateau in Atomic Fermi Gas Loaded on Triangular Optical Lattice2009

    • Author(s)
      M.Okumura
    • Journal Title

      Physical Review A 79

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dzylashinsky-Moriya Interaction in the S=1/2 Quasi-One-Dimensional Antiferromagnet Cu_2Cl_4・H_8C_4SO_2 as Determined via High-Frequency ESR2009

    • Author(s)
      M.Fujisawa
    • Journal Title

      Physical Review B 80

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic Field versus Temperature Phase Diagram of the Spin-1/2 Alternating-Bond Chain Compound F_5PNN2009

    • Author(s)
      Y.Yoshida
    • Journal Title

      Journal of the Physical Society of Japan 78

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reexamination of Finite-Lattice Extrapolation of Haldane Gaps2009

    • Author(s)
      H.Nakano
    • Journal Title

      Journal of the Physical Society of Japan 78

    • NAID

      110007042106

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] High-Field Magnetism of the Spin-Ladder Material Na_2Fe_2(C_2O_4)_3(H_2O)_22009

    • Author(s)
      H.Yamaguchi
    • Journal Title

      Journal of the Physical Society of Japan 78

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wang-Landau simulation for the quasi-one-dimensional Ising model2009

    • Author(s)
      T.Tanabe
    • Journal Title

      Journal of the Physical Society of Japan 78

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Elementary excitations and spin dynamics in nanowire quantum magnets2009

    • Author(s)
      T.Sakai
    • Journal Title

      International Journal of Modern Physics C 20

      Pages: 1467-1476

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum Phase Transition of a Triangular Lattice Spin Tube and Edge Spin Effects2009

    • Author(s)
      K.Okunishi
    • Journal Title

      International Journal of Modern Physics C 20

      Pages: 1423-1430

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thermal expansion of two-dimensional itinerant nearly ferromagnetic metal2009

    • Author(s)
      R.Konno
    • Journal Title

      Journal of Physics : Conference Series 150

      Pages: 421001-4

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Field-Induced Incommensurate Order and Possible Supersolid in the S=1/2 Frustrated Diamond Chain2009

    • Author(s)
      T. Sakai
    • Journal Title

      Journal of Physics : Conference Series 145

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ground-State Phase Diagram of an (S, S')=(1, 2) Spin-Alternating Chain with Competing Single-Ion Anisotropies2009

    • Author(s)
      T. Tonegawa
    • Journal Title

      Journal of Physics : Conference Series 145

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reexamination of Finite-Lattice Extrapolation of Haldane Gaps2009

    • Author(s)
      H. Nakano
    • Journal Title

      Journal of Physical Society of Japan 78

    • NAID

      110007042106

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Two-step quantum spin flop transition in spin ladders2009

    • Author(s)
      T. Sakai
    • Journal Title

      Journal of Physics : Conference Series 150

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Numerical Diagonalization Study on a Phonon-assisted Hole Pairing Mechanism of an Extended t-J Holstein Model2008

    • Author(s)
      T. Sakai
    • Journal Title

      J. Phys. Conf. Series

      Volume: 108

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Possible Mechanism of Charge Stripe Formation Based on the Ring Exchange Interaction2008

    • Author(s)
      T. Sakai
    • Journal Title

      Physica C

      Volume: 468 Pages: 1163-1165

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [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

    • Related Report
      2010 Self-evaluation Report
  • [Journal Article] Quantum phase transitions of the asymmetric three-leg spin tube2008

    • Author(s)
      T. Sakai
    • Journal Title

      Physical Review B 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Possible Mechanism of Charge Stripe Formation Based on the Ring Exchange Interaction2008

    • Author(s)
      T. Sakai
    • Journal Title

      Physica C 468

      Pages: 1163-1165

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Numerical Diagonalization Study on a Phonon-assisted Hole Pairing Mechanism of an Extended t-J Holstein Model2008

    • Author(s)
      T. Sakai
    • Journal Title

      Journal of Physics : Conference Series 108

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Longitudinal SDW order in a quasi-1D Ising-like quantum antiferromagnet2008

    • Author(s)
      S. Kimura
    • Journal Title

      Physical Review Letters 101

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On calculation of vector spin chirality for zigzag spin chains2008

    • Author(s)
      K. Okunishi
    • Journal Title

      Journal of Physical Society of Japan 77

    • NAID

      110006983740

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Finite-size scaling of string order parameters characterizing the Haldane phase2008

    • Author(s)
      H. Ueda
    • Journal Title

      Physical Review B 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Quantum Spin Dynamics of the Kagome Latice Antiferromagnets2011

    • Author(s)
      T.Sakai
    • Organizer
      International Symposium on Dynamics and Manupilation of Quantum Systems
    • Place of Presentation
      六本木・東京
    • Year and Date
      2011-01-28
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] スピンナノチューブの量子現象2010

    • Author(s)
      坂井徹
    • Organizer
      東北大学理学部GCOE研究会「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と生物物性の連携新領域創成をめざして-」
    • Place of Presentation
      東北大学理学研究科(宮城県)(招待講演)
    • Year and Date
      2010-12-05
    • Related Report
      2010 Annual Research Report
  • [Presentation] Topological Aspects of the Quantum Spin Nanotube2010

    • Author(s)
      T. Sakai
    • Organizer
      International and Interdisciplinary Workshop on Novel Phenomena in Integrated Complex Sciences
    • Place of Presentation
      京都コープイン(京都府)
    • Year and Date
      2010-10-14
    • Related Report
      2010 Final Research Report
  • [Presentation] Topological Aspects of the Quantum Spin Nanotube2010

    • Author(s)
      T.Sakai
    • Organizer
      International and Interdisciplinary Workshop on Novel Phenomena in Integrated Complex Sciences : from Non-living to Living System
    • Place of Presentation
      京都
    • Year and Date
      2010-10-14
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] Topological Aspects of the Quantum Spin Nanotube2010

    • Author(s)
      T.Sakai
    • Organizer
      International and Interdisciplinary Workshop on Novel Phenomena in Integrated Complex Sciences
    • Place of Presentation
      京都コープイン(京都府)(招待講演)
    • Year and Date
      2010-10-14
    • Related Report
      2010 Annual Research Report
  • [Presentation] Magnetization Ramp of Kagome Lattice Antiferromagnet2010

    • Author(s)
      T. Sakai
    • Organizer
      International Workshop on Statistical Physics of Quantum Systems
    • Place of Presentation
      東京大学生産技術研究所,(東京都)
    • Year and Date
      2010-08-02
    • Related Report
      2010 Final Research Report
  • [Presentation] Quantum Phase Transitions of Three-Leg Spin Nanotubes2010

    • Author(s)
      K.Okunishi
    • Organizer
      International Workshop on Statistical Physics of Quantum Systems
    • Place of Presentation
      東京大学生産技術研究所
    • Year and Date
      2010-08-02
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] Magnetization Ramp of Kagome Lattice Antiferromagnet2010

    • Author(s)
      T.Sakai
    • Organizer
      International Workshop on Statistical Physics of Quantum Systems
    • Place of Presentation
      東京大学生産技術研究所(東京都)(招待講演)
    • Year and Date
      2010-08-02
    • Related Report
      2010 Annual Research Report
  • [Presentation] Exotic Quantum Phase Transitions in the S=1/2 Three-Leg Spin Tube2010

    • Author(s)
      T.Sakai
    • Organizer
      International Conference on Statistical Physics
    • Place of Presentation
      Cairns (Australia)
    • Year and Date
      2010-07-23
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] Magnetization Process of Kagome Lattice Antifferomagnet2010

    • Author(s)
      T. Sakai
    • Organizer
      magnetism and superconductivity meeting
    • Place of Presentation
      Institut Laue Langevin,グルノーブル(フランス)
    • Year and Date
      2010-05-27
    • Related Report
      2010 Final Research Report
  • [Presentation] Magnetization Process of Kagome Lattice Antifferomagnet2010

    • Author(s)
      T.Sakai
    • Organizer
      magnetism and superconductivity meeting
    • Place of Presentation
      Institut Laue Langevinグルノーブル(フランス)(招待講演)
    • Year and Date
      2010-05-27
    • Related Report
      2010 Annual Research Report
  • [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
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 一次元量子スピン鎖の励起ギャップ評価:双曲変形を用いたスケーリング解析2010

    • Author(s)
      上田宏
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 反強磁性ハイゼンベルグ異方的蜂の巣格子模型の基底状態相転移22010

    • Author(s)
      下川統久朗
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] Field-induced quantum ph ase transitions of the asymmetric thre e-leg spin tube2010

    • Author(s)
      T. Sakai
    • Organizer
      American Physical Soc iety March Meeting
    • Place of Presentation
      Portland(USA)
    • Year and Date
      2010-03-16
    • Related Report
      2010 Final Research Report
  • [Presentation] Field-induced quantum phase transitions of the asymmetric three-leg spin tube2010

    • Author(s)
      坂井徹
    • Organizer
      American Physical Society March Meeting
    • Place of Presentation
      Portland
    • Year and Date
      2010-03-16
    • Related Report
      2009 Annual Research Report
  • [Presentation] スピンナノチューブのカイラリティ2010

    • Author(s)
      坂井徹
    • Organizer
      CMRC研究会「相関電子と構造物性」
    • Place of Presentation
      筑波
    • Year and Date
      2010-02-22
    • Related Report
      2009 Annual Research Report
  • [Presentation] カゴメ格子反強磁性体の磁気ダイナミクス2010

    • Author(s)
      坂井徹
    • Organizer
      古典及び量子系のダイナミクス・非平衡統計力学に関するワークショップ
    • Place of Presentation
      東京
    • Year and Date
      2010-02-14
    • Related Report
      2009 Annual Research Report
  • [Presentation] カゴメ格子反強磁性体の磁化過程2009

    • Author(s)
      坂井徹
    • Organizer
      東大物性研短期研究会「計算物理学」
    • Place of Presentation
      柏
    • Year and Date
      2009-12-10
    • Related Report
      2009 Annual Research Report
  • [Presentation] Magnetization process of the S=1/2 distorted diamond spin chain2009

    • Author(s)
      T. Sakai
    • Organizer
      International Symposium : High Magnetic Field Spin Science in 100T
    • Place of Presentation
      仙台(宮城県)
    • Year and Date
      2009-12-08
    • Related Report
      2010 Final Research Report
  • [Presentation] Magnetization process of the S=1/2 distorted diamond spin chain2009

    • Author(s)
      坂井徹
    • Organizer
      International Symposium : High Magnetic Field Spin Science in 100T
    • Place of Presentation
      Sendai
    • Year and Date
      2009-12-08
    • Related Report
      2009 Annual Research Report
  • [Presentation] Selection Rules for ESR D irect Transition of the Spin Gap and t heir Applications2009

    • Author(s)
      T. Sakai
    • Organizer
      Electron Magnetic R esonance of Strongly Correlated Spin Systems
    • Place of Presentation
      神戸(兵庫県)
    • Year and Date
      2009-11-09
    • Related Report
      2010 Final Research Report
  • [Presentation] Selection Rules for ESR Direct Transition of the Spin Gap and their Applications2009

    • Author(s)
      坂井徹
    • Organizer
      Electron Magnetic Resonance of Strongly Correlated Spin Systems
    • Place of Presentation
      Kobe
    • Year and Date
      2009-11-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] Quantum Phase Transition of the 3-Leg Spin Tube2009

    • Author(s)
      坂井徹
    • Organizer
      International Workshop on Dynamics and Manipulation of Quantum Systems
    • Place of Presentation
      Tokyo
    • Year and Date
      2009-10-14
    • Related Report
      2009 Annual Research Report
  • [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
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      熊本
    • Year and Date
      2009-09-26
    • Related Report
      2009 Annual Research Report
  • [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
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      熊本
    • Year and Date
      2009-09-26
    • Related Report
      2009 Annual Research Report
  • [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2009

    • Author(s)
      坂井徹
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      熊本
    • Year and Date
      2009-09-25
    • Related Report
      2009 Annual Research Report
  • [Presentation] 反強磁性ハイゼンベルグ異方的蜂の巣格子模型の基底状態相転移2009

    • Author(s)
      下川統久朗
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      熊本
    • Year and Date
      2009-09-25
    • Related Report
      2009 Annual Research Report
  • [Presentation] Magnetic field induced phenomena in quasi-one-dimensional organic magnets2009

    • Author(s)
      坂井徹
    • Organizer
      International Workshop on "Theories on Strongly Correlated Molecular Conductors"
    • Place of Presentation
      Narita
    • Year and Date
      2009-09-18
    • Related Report
      2009 Annual Research Report
  • [Presentation] Numerical Exact Diagonalization Study on a Phonon-Assisted Hole Paring in the High-Tc Cuprates2009

    • Author(s)
      坂井徹
    • Organizer
      International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      Tokyo
    • Year and Date
      2009-09-08
    • Related Report
      2009 Annual Research Report
  • [Presentation] Field-Induced Nematic Pha se in the Spin Ladder System with E asy-Axis Anisotropy2009

    • Author(s)
      T. Sakai
    • Organizer
      International Conference on Quantum Criticality and N ovel Phases
    • Place of Presentation
      Dresden(Germany)
    • Year and Date
      2009-08-03
    • Related Report
      2010 Final Research Report
  • [Presentation] Field-Induced Nematic Phase in the Spin Ladder System with Easy-Axis Anisotropy2009

    • Author(s)
      坂井徹
    • Organizer
      International Conference on Quantum Criticality and Novel Phases
    • Place of Presentation
      Dresden
    • Year and Date
      2009-08-03
    • Related Report
      2009 Annual Research Report
  • [Presentation] Magnetization Process of t he S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya interac tion2009

    • Author(s)
      T. Sakai
    • Organizer
      International Conference on Mag netism(ICM)
    • Place of Presentation
      Karl sruhe(Germany)
    • Year and Date
      2009-07-30
    • Related Report
      2010 Final Research Report
  • [Presentation] Magnetization Process of the S=1/2 Distorted Diamond Spin Chain with the Dzyaloshinsky-Moriya interaction2009

    • Author(s)
      坂井徹
    • Organizer
      International Conference on Magnetism(ICM)
    • Place of Presentation
      Karlsruhe
    • Year and Date
      2009-07-30
    • Related Report
      2009 Annual Research Report
  • [Presentation] Field Induced Exotic Phenomena of the S=1/2 Three-Leg Quantum Spin Nanotube2009

    • Author(s)
      坂井徹
    • Organizer
      International Symposium on Research in High Magnetic Field
    • Place of Presentation
      Dresden
    • Year and Date
      2009-07-23
    • Related Report
      2009 Annual Research Report
  • [Presentation] Quantum Phase Transition s of the Three-Leg Spin Tube2009

    • Author(s)
      T. Sakai
    • Organizer
      Joint E uropean Japanese Conference : Frustra tion in Condensed Matter
    • Place of Presentation
      Lyon(France)
    • Year and Date
      2009-05-13
    • Related Report
      2010 Final Research Report
  • [Presentation] Quantum Phase Transitions of the Three-Leg Spin Tube2009

    • Author(s)
      坂井徹
    • Organizer
      oint European Japanese Conference : Frustration in Condensed Matter
    • Place of Presentation
      Lyon
    • Year and Date
      2009-05-13
    • Related Report
      2009 Annual Research Report
  • [Presentation] スピンナノチューブ:最近の理論的発展2009

    • Author(s)
      坂井徹
    • Organizer
      日本物理学会、領域3,8,11合同シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Quantum Phase Transition of the Asymmetric Spin Tube2009

    • Author(s)
      T. Sakai
    • Organizer
      American Physical Sosiety March Meeting
    • Place of Presentation
      Pittsburgh
    • Year and Date
      2009-03-16
    • Related Report
      2008 Annual Research Report
  • [Presentation] Field-induced quantum phase transitions in low-dimensional spin systems2009

    • Author(s)
      T. Sakai
    • Organizer
      JAEA Synchrotron Radiation Research Symposium
    • Place of Presentation
      SPring-8
    • Year and Date
      2009-03-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] Quantum Phase Transition in the Spin Nanotube2009

    • Author(s)
      T. Sakai
    • Organizer
      Supercomputing in Solid State Physics
    • Place of Presentation
      柏
    • Year and Date
      2009-02-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] Ring Exchange Induced Magnetic Phenomena in Spin Ladder Systems2009

    • Author(s)
      T. Sakai
    • Organizer
      International Worshop on Quantum Critical Phenomena and Novel Phases in Superclean Materials
    • Place of Presentation
      Honolulu (USA)
    • Year and Date
      2009-01-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] Elementary Excitations and Dynamics of Nanowire Magnets2008

    • Author(s)
      T. Sakai
    • Organizer
      Dynamics and Manipulation of Quantum Systems
    • Place of Presentation
      東京
    • Year and Date
      2008-10-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] Topics of Low-Dimensional Quantum Spin Systems2008

    • Author(s)
      T. Sakai
    • Organizer
      57th Fujihara Seminar
    • Place of Presentation
      苫小牧
    • Year and Date
      2008-07-26
    • Related Report
      2008 Annual Research Report
  • [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
    • Organizer
      日本物理学会
    • Place of Presentation
      東京
    • Year and Date
      2008-03-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Quantum Phase Transiti on of the 3-Leg Spin Tube

    • Author(s)
      T. Sakai
    • Organizer
      Internatio nal Workshop on Dynamics and Mani pulation of Quantum Systems
    • Place of Presentation
      文京区(東京都)
    • Related Report
      2010 Final Research Report
  • [Remarks]

    • URL

      http://cmt.spring8.or.jp

    • Related Report
      2010 Final Research Report
  • [Remarks] ホームページ

    • URL

      http://cmt.spring8.or.jp

    • Related Report
      2010 Self-evaluation Report
  • [Remarks]

    • URL

      http://cmt.spring8.or.jp/index.shtml

    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://cmt.spring8.or.jp/

    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://www.jaea.spring8.or.jp/cmt/

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2008-04-01   Modified: 2020-05-15  

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