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Investigation on origin of superfluidity through quantum vortex

Research Project

Project/Area Number 18340105
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionOkayama University

Principal Investigator

MACHIDA Kazushige  Okayama University, 大学院・自然科学研究科, 教授 (50025491)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥16,490,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥2,190,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2006: ¥7,000,000 (Direct Cost: ¥7,000,000)
Keywords超低温 / 量子凝縮体 / 原子分子 / 量子エレクトロニクス / 超流動 / 中性原子気体 / 超伝導 / 量子渦 / 重い電子系 / 対称性 / Bogoiubov-de Gennes方程式 / 準古典Eilenberger方程式 / パウリ常磁性効果 / 超伝導体
Research Abstract

超流動性の起源について量子渦の研究を通じて解明を理論的に試みた。対象としたのはレーザー冷却されたボーズ並びにフェルミ原子気体である。前者はボーズアインシュタイン凝縮系であり、後者はBCS超流動体である。両者の共通点と差異を実験データの解析の中で明らかにした

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (30 results)

All 2009 2008 2007 2006 Other

All Journal Article (14 results) (of which Peer Reviewed: 6 results) Presentation (15 results) Remarks (1 results)

  • [Journal Article] Stability of a half-quantum vortex in rotating superfluid ^3He-A between parallel plates2009

    • Author(s)
      T. Kawakami, Y. Tsutsumi, and K. Machida
    • Journal Title

      Phys. Rev. B 79

    • Related Report
      2008 Final Research Report
  • [Journal Article] Stability of a half-quantum vortex in rotating superfluid 3He-A between parallel plates2009

    • Author(s)
      T. Kawakami
    • Journal Title

      Phys. Rev. B 79

      Pages: 92506-92506

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Kelvin Waves of Quantized Vortex Lines in Trapped Bose-Einstein Condensates2008

    • Author(s)
      P. Simula, T. Mizushima, and K. Machida
    • Journal Title

      Phys. Rev. Lett 101

    • Related Report
      2008 Final Research Report
  • [Journal Article] Magnetization profile and core-level spectroscopy in a multiply quantized vortex of imbalanced Fermi superfluids2008

    • Author(s)
      K. M. Suzuki, T. Mizushima, M. Ichioka, and K. K. Machida
    • Journal Title

      Phys. Rev A 77

    • Related Report
      2008 Final Research Report
  • [Journal Article] Majorana bound state in rotating 3He-A between parallel plates2008

    • Author(s)
      Y. Tsutsumi
    • Journal Title

      Phys. Rev. Lett. 101

      Pages: 135302-135302

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic field dependence of low-temperature specific heat in Sr2RuO42008

    • Author(s)
      K. Machida
    • Journal Title

      Phys. Rev. B 77

      Pages: 184515-184515

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spinor Dipoler Bose-Einstein Condensates : Classical Spin Approach2007

    • Author(s)
      M. Takahashi, S. Ghosh, T. Mizushima, and K. K. Machida
    • Journal Title

      Phys. Rev. Lett 98

    • Related Report
      2008 Final Research Report
  • [Journal Article] Vortex states in superconductors with strong Paulli-paramagnetic effect2007

    • Author(s)
      M. Ichioka, K. Machida
    • Journal Title

      Phys. Rev. B 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pauli paramagnetic effects on vortices in superconducting TmNi2B2C2007

    • Author(s)
      L. DeBeer-Schmitt, et al
    • Journal Title

      Phys. Rev. Lett. 99

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Imbalanced superfluid phase of a trapped Fermi gas in the BCS-BEC crossover regime2007

    • Author(s)
      T. Mizushima, K. Machida, M. Ichioka
    • Journal Title

      J. Phys. Soc. Jpn. 76

    • NAID

      110006448308

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pauli Paramagnetic Effects on Vortices in Supercond ucting TmNi_2B_2C2007

    • Author(s)
      L. DeBeer-Schmitt
    • Journal Title

      Phys. Rev. Lett. 99

      Pages: 167001-167001

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Vortex states in superconductors with strong Pauli-paramagnetic effect2007

    • Author(s)
      M. Ichioka and K. Machida
    • Journal Title

      Phys. Rev. B 76

      Pages: 64502-64502

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Quasi-Classical Calculation of the Mixed-State Thermal Conductivity in s-and d-Wave Superconductors2007

    • Author(s)
      H. Adachi
    • Journal Title

      J. Phys. Soc. Jpn. 76

      Pages: 64708-64708

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Generic Phase Diagram of Fermion Superfluids with Population Imbalance2006

    • Author(s)
      K. Machida, T. Mizushima, and M. Ichioka
    • Journal Title

      Phys. Rev. Lett 97

    • Related Report
      2008 Final Research Report
  • [Presentation] フェルミ原子気体のp波超流動における織目構造2009

    • Author(s)
      堤康雅, 町田一成
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] p波共鳴近傍のフェルミ原子気体における渦格子構造とマヨラナ状態2009

    • Author(s)
      水島健, 町田一成
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Final Research Report
  • [Presentation] d波超伝導体の面内磁場での磁束格子構造2009

    • Author(s)
      市岡優典, 鈴木健太, 町田一成
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Final Research Report
  • [Presentation] 大きなパウリ常磁性効果をもつd波超伝導体における渦糸格子構造2009

    • Author(s)
      鈴木健太, 市岡優典, 町田一成
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Final Research Report
  • [Presentation] P.Canfield TmNi2B2Cの磁気相図と低温磁性2009

    • Author(s)
      桜庭孝明, 田山孝, 榊原俊郎, 町田一成
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Final Research Report
  • [Presentation] Kelvin-Tkachenko oscillations in trapped Bose-Einstein condensates2009

    • Author(s)
      Tapio Simula, K. Machida
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Final Research Report
  • [Presentation] Elementary excitations of d-wave paired fermionic quantum gas2009

    • Author(s)
      Jukka A.M. Huhtamaki, Takeshi Mizushima, Kazushige K. Machida
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京)
    • Related Report
      2008 Final Research Report
  • [Presentation] 重い電子系CeCoIn5の超伝導対称性と磁場下での物性の特異性2008

    • Author(s)
      町田一成, 市岡優典, 平木将行
    • Organizer
      特定領域"1 0 0テスラ領域の強磁場スピン科学"第5回シンポジウム
    • Place of Presentation
      岡山大学(岡山)
    • Related Report
      2008 Final Research Report
  • [Presentation] CeCoIn5の逐次渦糸構造相転移に関する理論2008

    • Author(s)
      鈴木健太, 市岡優典, 町田一成
    • Organizer
      特定領域"1 0 0テスラ領域の強磁場スピン科学"第5回シンポジウム
    • Place of Presentation
      岡山大学(岡山)
    • Related Report
      2008 Final Research Report
  • [Presentation] 超流動3He及び中性フェルミ気体におけるマヨラナ状態2008

    • Author(s)
      水島健, 堤康雅, 川上拓人, 市岡優典, 町田一成
    • Organizer
      スーパークリーン特定・研究成果報告会 '08
    • Place of Presentation
      奈良県新公会堂(奈良)
    • Related Report
      2008 Final Research Report
  • [Presentation] Vortex states in spin-triplet superconductors based on quasi-classical theory2008

    • Author(s)
      市岡優典, 堤康雅, 水島健, 町田一成
    • Organizer
      スーパークリーン特定・研究成果報告会 '08
    • Place of Presentation
      奈良県新公会堂(奈良)
    • Related Report
      2008 Final Research Report
  • [Presentation] Mechanism of dynamical instability in coreless vortex states in F = 1 spinor Bose-Einstein condensates2008

    • Author(s)
      高橋雅裕, Ville Pietila, Mikko Mottonen, 水島健, 町田一成
    • Organizer
      スーパークリーン特定・研究成果報告会 '08
    • Place of Presentation
      奈良県新公会堂(奈良)
    • Related Report
      2008 Final Research Report
  • [Presentation] The texture of p-wave resonance superfluidity on Fermionic atom gases2008

    • Author(s)
      堤康雅, 町田一成
    • Organizer
      スーパークリーン特定・研究成果報告会 '08
    • Place of Presentation
      奈良県新公会堂(奈良)
    • Related Report
      2008 Final Research Report
  • [Presentation] Stability of half quantum vortex in rotating superfluid 3He-A between parallel plates2008

    • Author(s)
      川上拓人, 堤康雅, 町田一成
    • Organizer
      スーパークリーン特定・研究成果報告会 '08
    • Place of Presentation
      奈良県新公会堂(奈良)
    • Related Report
      2008 Final Research Report
  • [Presentation] Singular and Non-singular Vortices and Their Excitation Spectra of2008

    • Author(s)
      K. Machida, 他
    • Organizer
      25th International Conference on Low Temperature Physics (LT25)
    • Place of Presentation
      Amsterdam
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://mp.okayama-u.ac.jp/

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2020-05-15  

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