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2009 Fiscal Year Self-evaluation Report

Development of a new scheme of energy-band calculation on the basis of the extended constrained-search theory

Research Project

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Project/Area Number 19540399
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Mathematical physics/Fundamental condensed matter physics
Research InstitutionShinshu University

Principal Investigator

HIGUCHI Masahiko  Shinshu University, 理学部, 准教授 (10292202)

Project Period (FY) 2007 – 2010
Keywords拡張された制限つき探索理論 / 対密度 / 電子相関 / 交換相関エネルギー汎関数 / 総和則 / 超伝導 / 有限温度 / 電流密度汎関数理論
Research Abstract

本研究では、われわれが開発した「拡張された制限つき探索理論」(ECS理論)を、強相関電子系など多様な系に適用できる形に発展・拡充させることが目的である。具体的には、
(1)バンド理論による電子相関の描写範囲の拡大
⇒対密度を基本変数に選んだECS理論
(2)時間に依存した物理現象の予言のための理論構築
⇒動的事象、励起状態
(3)有限温度における物理量の予言のための理論構築
⇒超伝導の第一原理的扱い
(4)実際の物質群、特に強相関係に適用しその有効性も検証
⇒beyond LDA(post LDA)
を実現することである。

  • Research Products

    (5 results)

All 2010 2009 2008

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (2 results)

  • [Journal Article] Sum rules for the exchange-correlation energy functional of the extended constrained-search theory : application to checking the validity of the vorticity expansion approximation of the current-density functional theory2010

    • Author(s)
      M. Higuchi, K. Higuchi
    • Journal Title

      Phys.Rev.A. 81

      Pages: 042505

    • Peer Reviewed
  • [Journal Article] Kinetic energy contribution to the exchange-correlation energy functional of the extended-constrained search theory2009

    • Author(s)
      K. Higuchi, M. Higuchi
    • Journal Title

      Phys.Rev.A. 79

      Pages: 022113

    • Peer Reviewed
  • [Journal Article] A pair density functional theory utilizing the noninteracting reference system : an effective initial theory2008

    • Author(s)
      M. Higuchi, K. Higuchi
    • Journal Title

      Phys.Rev.B. 78

      Pages: 125101

    • Peer Reviewed
  • [Presentation] Calculation of the ground-state pair density on the basis of the computational pair density functional theory2009

    • Author(s)
      K. Higuchi, M. Higuchi
    • Organizer
      International Workshop on Frontiers in Density Functional Theory
    • Place of Presentation
      New York, USA
    • Year and Date
      2009-09-15
  • [Presentation] Computational pair density functional theory2009

    • Author(s)
      M. Higuchi, K. Higuchi
    • Organizer
      The 2nd International Symposium and Workshop on Correlated Electrons in Matter
    • Place of Presentation
      Gatlinburg, USA
    • Year and Date
      2009-04-02

URL: 

Published: 2011-06-18   Modified: 2016-04-21  

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