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Study of the energy level statistics for classically integrable and nearly integrable quantum systems

Research Project

Project/Area Number 18740241
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Mathematical physics/Fundamental condensed matter physics
Research InstitutionTokai University

Principal Investigator

MAKINO Hironori  Tokai University, 情報理工学部, 准教授 (40338786)

Research Collaborator TASAKI Shuichi  早稲田大学, 理工学術院先進理工学部, 教授 (10260150)
MINAMI Nariyuki  慶応大学, 医学部, 教授 (10183964)
OTSUKA Kenju  東海大学, 情報理工学部, 教授 (60266369)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,100,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 2006: ¥1,000,000 (Direct Cost: ¥1,000,000)
Keywordsエネルギー準位統計 / 量子カオス / 非線形科学 / 準位統計 / 矩形量子箱
Research Abstract

本研究によって量子系のエネルギー準位に新しい法則が見出される可能性を示すことができた。ある種の対称性を持つ量子系(古典系が積分可能である量子系)には、エネルギー準位に異常な揺らぎが発生することが過去の研究によって証明されている。本研究はこの揺らぎを準位数分散やスペクトル硬度などの統計量よって特徴づける新しい理論を考案し、大きく分けて3種類の揺らぎが生じることを明らかにしている。

Report

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

    (5 results)

All 2009 2007

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (2 results)

  • [Journal Article] Statistical properties of spectral fluctuations for a quantum system with infinitely many components2009

    • Author(s)
      H. Makino, N. Minami and S. Tasaki
    • Journal Title

      Physical Review E, Vol 79

    • Related Report
      2008 Final Research Report
  • [Journal Article] Net motion of an ensemble of many Brownian particles captured with a self-mixing laser2009

    • Author(s)
      Kenju Otsuka, Takayuki Ohtomo, Hironori Makino, Seiichi Sudo and Jing-Yuan Ko
    • Journal Title

      Applied Physics Letters,Vol 94

    • Related Report
      2008 Final Research Report
  • [Journal Article] Statistical properties of spectral fluctuations for a quantum system with infinitely many components2009

    • Author(s)
      H. Makino, N. Minami and S. Tasaki
    • Journal Title

      Physical Review E 79

      Pages: 36201-36210

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Level statistics of systems with infinitely many components2007

    • Author(s)
      牧野 浩典
    • Organizer
      「ランダム作用素のスペクトルと関連する話題」(科研費基盤 (A) 「確率論の総合的研究」研究集会)
    • Place of Presentation
      京都大学人間・環境学研究科
    • Year and Date
      2007-11-15
    • Related Report
      2007 Annual Research Report
  • [Presentation] ランダム作用素のスペクトルの研究2007

    • Author(s)
      牧野浩典
    • Organizer
      研究会
    • Place of Presentation
      京都大学
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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