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Quantitative calculations of response functions of materials andproperties of type-II superconductors

Research Project

Project/Area Number 18540331
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

KITA Takafumi  Hokkaido University, 大学院・理学研究院, 准教授 (20186224)

Co-Investigator(Kenkyū-buntansha) KITA Takafumi  独立行政法人物質・材料研究機構, 計算材料科学研究センター, 主任研究員 (40222723)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,800,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2006: ¥2,500,000 (Direct Cost: ¥2,500,000)
Keywords超低温 / 超伝導 / 第二種超伝導体 / 応答係数 / 量子輸送方程式 / 非平衡統計力学 / エントロピー / ド・ハースーファン・アルフェン効果
Research Abstract

熱平衡超伝導電流に対するホール係数の理論的表式を導出し、符号反転の可能性を予言した。第二種超伝導体KOs_2O_6の上部臨界磁場の特徴を理論的に明らかにした。ゴールドストーンの定理と保存則を同時に満足するボーズ・アインシュタイン凝縮相の平均場理論を初めて構成できた。相互作用する量子系の輸送方程式を微視的に導出し、時間発展するエントロピーの表式を得た。

Report

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

    (38 results)

All 2009 2008 2007 2006 Other

All Journal Article (18 results) (of which Peer Reviewed: 12 results) Presentation (16 results) Remarks (4 results)

  • [Journal Article] ボーズ凝縮相の有限温度理論2009

    • Author(s)
      北 孝文
    • Journal Title

      日本物理学会誌 64

      Pages: 170-178

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hall coefficient of equilibrium supercurrents flowing inside superconductors2009

    • Author(s)
      T. Kita
    • Journal Title

      Physical Review B 79 024521(1-6)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hall coefficient of equilibrium supercurrents flowing inside superconductors2009

    • Author(s)
      T. Kita
    • Journal Title

      Physical Review B 79

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 量子輸送方程式と非平衡エントロピー-場の量子論による非平衡統計力学-2008

    • Author(s)
      北 孝文
    • Journal Title

      物性研究90 1-95

      Pages: 90-90

    • NAID

      110006656099

    • Related Report
      2008 Final Research Report
  • [Journal Article] "Quantum Transport Equation for Bloch Electrons in Electromagnetic Fields2008

    • Author(s)
      T. Kita, H. Yamashita
    • Journal Title

      Journal of the Physical Society of Japan 024711(1-9)

      Pages: 77-77

    • NAID

      110006613902

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum Transport Equation for Bloch Electrons in Electromagnetic Fields2008

    • Author(s)
      T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 77

    • NAID

      110006613902

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Entropy Change through Rayleigh-Benard Convective Transition with Rigid Boundaries2007

    • Author(s)
      T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 064006(1-4)

      Pages: 76-76

    • NAID

      110006342591

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conserving Gapless Mean-Field Theory of a Multi-Component Bose-Einstein Condensate2007

    • Author(s)
      K. Kondo and T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 024008(1-8)

      Pages: 76-76

    • NAID

      110006203511

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Entropy Change through Rayleigh-Benard Convective Transition with Rigid Boundaries2007

    • Author(s)
      T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 76

    • NAID

      110006342591

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conserving Gapless Mean-Field Theory of a Multi-Component Bose-Einstein Condensate2007

    • Author(s)
      Y.Kondo
    • Journal Title

      Journal of the Physical Society of Japan 76

      Pages: 24008-24008

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Uncommonly high upper critical field of the pylochlore superconductor KOs2O6below the enhanced paramagnetic limit2006

    • Author(s)
      T. Shibauchi, L. Krusin-Elbaum, Y. Kasahara, Y. Shimono, Y. Matsuda, R. D. McDonald, C. H. Mielke, S. Yonezawa, Z. Hiroi, M. Arai, T. Kita, G. Blatter, and M. Sigrist
    • Journal Title

      Physical Review 220506(1-4)

      Pages: 74-74

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Principle of Maximum Entropy Applied to Rayleigh-Benard Convection2006

    • Author(s)
      T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 124005(1-11)

      Pages: 75-75

    • NAID

      110005716681

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Entropy in Nonequilibrium Statistical Mechanics2006

    • Author(s)
      T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 114005(1-18)

      Pages: 75-75

    • NAID

      110004852756

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] "Conserving Gapless Mean-Field Theory for Weakly Interacting Bose Gases2006

    • Author(s)
      T. Kita
    • Journal Title

      Journal of the Physical Society of Japan 044603(1-16)

      Pages: 75-75

    • NAID

      110004729266

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conserving Gapless Mean-Field Theory for Weakly Interacting Bose Gases2006

    • Author(s)
      T.Kita
    • Journal Title

      Journal of the Physical Society of Japan 75

      Pages: 44603-44603

    • NAID

      110004729266

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Entropy in Nonequilibrium Statistical Mechanics2006

    • Author(s)
      T.Kita
    • Journal Title

      Journal of the Physical Society of Japan 75

      Pages: 114005-114005

    • NAID

      110004852756

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Principle of Maximum Entropy Applied to Rayleigh-Benard Convection2006

    • Author(s)
      T.Kita
    • Journal Title

      Journal of the Physical Society of Japan 75

      Pages: 124005-124005

    • NAID

      110005716681

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Uncommonly high upper critical field of the pylochlore superconductor KOs_2O_6 below the enhanced paramagnetic limit2006

    • Author(s)
      T.Shibauchi
    • Journal Title

      Physical Review B 74

    • Related Report
      2006 Annual Research Report
  • [Presentation] 久保公式と線型Boltzmann方程式の同等性2009

    • Author(s)
      山下博雅
    • Organizer
      日本物理学会2009年年次大会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Nonequilibrium entropy : Can we defined it unambiguously?2009

    • Author(s)
      T. Kita
    • Organizer
      YIPQS International Molecule Workshop on 「Nonequilibrium quantum field theories and dynamic critical phenomena」
    • Place of Presentation
      Kyoto University
    • Related Report
      2008 Final Research Report
  • [Presentation] 固体電子に対する量子輸送方程式の導出2009

    • Author(s)
      山下博雅・北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Conserving-Gapless理論による集団励起とその音波の解析2008

    • Author(s)
      近藤佳之
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 超伝導電流に働くローレンツ力2008

    • Author(s)
      北 孝文
    • Organizer
      第16回渦糸物理国内会議
    • Place of Presentation
      東京工業大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Conserving-Gapless理論による集団励起とその音波の解析2008

    • Author(s)
      近藤佳之・北 孝文・水島健
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Conserving-Gapless理論による集団励起モードの計算2008

    • Author(s)
      近藤佳之・北 孝文・水島健
    • Organizer
      日本物理学会
    • Place of Presentation
      近畿大学
    • Related Report
      2008 Final Research Report
  • [Presentation] 固体電子に対する量子輸送方程式の導出2007

    • Author(s)
      山下博雅
    • Organizer
      日本物理学会第62回年次大会
    • Place of Presentation
      北海道大学札幌キャンパス
    • Year and Date
      2007-09-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] 量子輸送方程式による非平衡統計力学2007

    • Author(s)
      北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Related Report
      2008 Final Research Report
  • [Presentation] A Conserving Gapless Mean-Field Theory for Bose-Einstein Condensates2007

    • Author(s)
      T. Kita
    • Organizer
      Topology and Singularity in Optical Physics
    • Place of Presentation
      Hokkaido University
    • Related Report
      2008 Final Research Report
  • [Presentation] 非平衡統計力学におけるエントロピー最大原理2007

    • Author(s)
      北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2008 Final Research Report
  • [Presentation] エントロピー最大原理のレイリー・ベナール対流による検証2007

    • Author(s)
      北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2008 Final Research Report
  • [Presentation] トラップされたBose気体の熱力学特性-平均場理論による有限温度BECの解析2007

    • Author(s)
      近藤佳之・北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2008 Final Research Report
  • [Presentation] 「非平衡統計力学におけるエントロピー最大原理2006

    • Author(s)
      北 孝文
    • Organizer
      第14回渦糸物理国内会議
    • Place of Presentation
      登別温泉ホテルまほろば会議場
    • Related Report
      2008 Final Research Report
  • [Presentation] 有限温度における一様ボーズ超流動体の準粒子スペクトルと集団励起モード2006

    • Author(s)
      水島 健・北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      千葉大学
    • Related Report
      2008 Final Research Report
  • [Presentation] 超伝導体の帯磁率とde Haas-van Alphen効果への周期ポテンシャルの影響2006

    • Author(s)
      山下博雅・北 孝文
    • Organizer
      日本物理学会
    • Place of Presentation
      千葉大学
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://phys.sci.hokudai.ac.jp/~kita/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.nims.go.jp/cmsc/staff/arai/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://phys.sci.hokudai.ac.jp/~kita/index.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://phys.sci.hokudai.ac.jp/~kita/index.html

    • Related Report
      2007 Annual Research Report

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

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