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Study of competition between the magnetic ordering and the Kondo effect in the heavy fermion systems by the self-energy functional method

Research Project

Project/Area Number 19740209
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionShimane University

Principal Investigator

MUTOU Tetsuya  Shimane University, 総合理工学部, 准教授 (50312244)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,680,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥480,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥1,600,000 (Direct Cost: ¥1,600,000)
Keywords強相関電子系 / 重い電子系 / 周期的アンダーソンモデル / 磁性イオン希釈 / 自己エネルギー汎関数理論 / 動的平均場理論 / コヒーレント・ポテンシャル近似 / 磁性イオン希釈効果 / 金属強磁性 / ハバードモデル / 修正逐次摂動理論 / 周期的Andersonモデル / Hubbardモデル
Research Abstract

We have tried to construct the scheme by which we can investigate characteristic properties observed in magnetic-ion diluted heavy fermion systems modeled by the periodic Anderson model. The self-energy functional theory and the dynamical mean-field theory are numerical methods by which one can treat the local quantum many-body effect correctly. It has been shown that one can treat the randomness effect of magnetic-ion diluted systems and the electron correlation effect on the same footing by using the above scheme and the coherent potential approximation.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (15 results)

All 2010 2009 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (13 results)

  • [Journal Article] Dynamical Spin Susceptibility of Electron-Doped High-Tc Cuprates - Comparison with Hole-Doped Systems -2010

    • Author(s)
      Atsuo Suzuki, Syunsuke Tanaka, Tetsuya Mutou, Dai S. Hirashima
    • Journal Title

      Journal of the Physical Society of Japan 79巻

    • NAID

      40016969887

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Dynamical Spin Susceptibility of Electron-Doped High-T_c Cuprates-Comparison with Hole-Doped Systems--2010

    • Author(s)
      Atsuo Suzuki, Syunsuke Tanaka, Tetsuya Mutou, Dai S.Hirashima
    • Journal Title

      Journal of the Physical Society of Japan 79

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] 特異な状態密度を持つHubbardモデルの磁化過程II2010

    • Author(s)
      波田浩文, 武藤哲也
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山(岡山大学)
    • Year and Date
      2010-03-21
    • Related Report
      2009 Final Research Report
  • [Presentation] 特異な状態密度を持つHubbardモデルの磁化過程II2010

    • Author(s)
      波田浩文, 武藤哲也
    • Organizer
      日本物理学会 第65回年次大会
    • Place of Presentation
      岡山(岡山大学)
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 磁性イオンを希釈した近藤絶縁体の帯磁率II2009

    • Author(s)
      武藤哲也, 関谷泰輝
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本(熊本大学)
    • Year and Date
      2009-09-25
    • Related Report
      2009 Final Research Report
  • [Presentation] 重い電子系における磁性イオン希釈効果2009

    • Author(s)
      波田浩文, 武藤哲也
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本(熊本大学)
    • Year and Date
      2009-09-25
    • Related Report
      2009 Final Research Report
  • [Presentation] 磁性イオンを希釈した近藤絶縁体の帯磁率II2009

    • Author(s)
      武藤哲也, 関谷泰輝
    • Organizer
      日本物理学会 2009年秋季大会
    • Place of Presentation
      熊本(熊本大学)
    • Year and Date
      2009-09-25
    • Related Report
      2009 Annual Research Report
  • [Presentation] 重い電子系における磁性イオン希釈効果2009

    • Author(s)
      波田浩文, 武藤哲也
    • Organizer
      日本物理学会 2009年秋季大会
    • Place of Presentation
      熊本(熊本大学)
    • Year and Date
      2009-09-25
    • Related Report
      2009 Annual Research Report
  • [Presentation] (4)関谷泰輝, 武藤哲也:「磁性イオンを希釈した近藤絶縁体の帯磁率2009

    • Author(s)
      関谷泰輝, 武藤哲也
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      東京(立教大学)
    • Year and Date
      2009-03-28
    • Related Report
      2009 Final Research Report
  • [Presentation] 磁性イオンを希釈した近藤絶縁体の帯磁率2009

    • Author(s)
      関谷泰輝, 武藤哲也
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      東京(立教大学)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 特異な状態密度を持つHubbardモデルの帯磁率2009

    • Author(s)
      露無祐加, 武藤哲也
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      東京(立教大学)
    • Year and Date
      2009-03-27
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] 電子ドープ型高温超伝導体における動的スピン帯磁率2009

    • Author(s)
      鈴木厚壮, 田中俊介, 武藤哲也, 平島大
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      東京(立教大学)
    • Year and Date
      2009-03-27
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] 重い電子系磁性イオン希釈効果モデルの磁化率2008

    • Author(s)
      関谷泰輝, 武藤哲也
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      盛岡(岩手大学)
    • Year and Date
      2008-09-23
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] 特異な状態密度を持つHubbardモデルの磁化過程2008

    • Author(s)
      露無祐加, 武藤哲也
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      盛岡(岩手大学)
    • Year and Date
      2008-09-23
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] Hubbardモデルにおける修正逐次摂動理論の収束条件の検討2008

    • Author(s)
      鈴木厚壮, 武藤哲也
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      盛岡(岩手大学)
    • Year and Date
      2008-09-23
    • Related Report
      2009 Final Research Report 2008 Annual Research Report

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Published: 2007-04-01   Modified: 2020-05-15  

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