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Manipulation of quantum phase of superfluid helium-3 by micro fabricated device

Research Project

Project/Area Number 18740223
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

SAITOH Masamichi  The Institute of Physical and Chemical Research, 河野低温物理研究室, 協力研究員 (70415165)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,780,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥180,000)
Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywords超流動ヘリウム3 / 臨界温度 / サイズ効果 / 微細加工 / 超低温 / ジョセフソン接合 / 異方的秩序変数 / 臨海温度 / 超流動 / ジョセフソン効果 / P波超流動 / 低温物性 / 量子液体 / 異方的超伝導・超流動 / ヘリウム3 / 超流動^3He / ジョセフソン振動 / ヘリウム
Research Abstract

くし型電極と呼ばれる微細加工で作成した装置を1mK以下の超低温度で用いることで、超流動ヘリウム3薄膜を自在に制御し、新たな巨視的量子現象の舞台としての可能性を探った。その結果、超流動転移温度の膜厚依存性を精密に測定することができ、超流動ヘリウム3薄膜の制御に必要な重要な知見を獲得することができた。

Report

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

    (13 results)

All 2009 2008 2007 2006 Other

All Journal Article (4 results) (of which Peer Reviewed: 3 results) Presentation (9 results)

  • [Journal Article] The Surface Density of States of Superfluid ^3He for Different Surface Boundary Conditions2008

    • Author(s)
      S. Murakawa
    • Journal Title

      Journal of Low Temperature Physics 150

      Pages: 154-159

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thickness Dependence of Critical Current of Superfluid ^3He Film2007

    • Author(s)
      M. Saitoh, K. Kono
    • Journal Title

      Journal of Low Temperature Physics 148

      Pages: 483-487

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thickness Dependence of Critical Current of Superfluid ^3He Film2007

    • Author(s)
      M. Saitoh
    • Journal Title

      Journal of Low Temperature Physics 148

      Pages: 483-487

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thickness Dependence of Critical Current of Superfluid ^3He Film

    • Author(s)
      M.Saitoh
    • Journal Title

      Journal of Low Temperature Physics (印刷中)

    • Related Report
      2006 Annual Research Report
  • [Presentation] 膜厚制御によるサブミクロン^3He薄膜の超流動転移2009

    • Author(s)
      斎藤政通
    • Organizer
      日本物理学会大64回年次大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 膜厚制御によるサブミクロン^3He薄膜の超流動転移2009

    • Author(s)
      斎藤政通, 池上弘樹, 河野公俊
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      東京
    • Related Report
      2008 Final Research Report
  • [Presentation] くし型電極による超流動3^He薄膜の磁場中測定2008

    • Author(s)
      斎藤政通
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      盛岡市
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] くし型電極による超流動^3He薄膜の磁場中測定2008

    • Author(s)
      斎藤政通, 池上弘樹, 河野公俊
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      盛岡市
    • Related Report
      2008 Final Research Report
  • [Presentation] Dynamic Property of Dissipative Flow of Superfluid ^3He Film2007

    • Author(s)
      M. Saitoh, K. Kono
    • Organizer
      International Symposium on Quantum Fluids and Solids
    • Place of Presentation
      Kazan Russia
    • Related Report
      2008 Final Research Report
  • [Presentation] Dynamic property of dissipative flow of superfluid ^3He film2007

    • Author(s)
      M. Saitoh
    • Organizer
      International Symposium on Quantum Fluids and Solids
    • Place of Presentation
      ロシア、カザン市
    • Related Report
      2007 Annual Research Report
  • [Presentation] Critical current measurement of superfluid 3He film in magnetic field2007

    • Author(s)
      M. Saitoh
    • Organizer
      International Symposium on Physics of New Quantum Phases in Superclean Materials
    • Place of Presentation
      岐阜市
    • Related Report
      2007 Annual Research Report
  • [Presentation] 膜厚制御による超流動^3Heサブミクロン薄膜の相転移観測II2006

    • Author(s)
      斎藤政通, 河野公俊
    • Organizer
      日本物理学会2006年秋季大会
    • Place of Presentation
      千葉市
    • Related Report
      2008 Final Research Report
  • [Presentation] Thickness Dependence of Critical Current of Superfluid ^3He Film2006

    • Author(s)
      M. Saitoh, K. Kono
    • Organizer
      International Symposium on Quantum Fluids and Solids
    • Place of Presentation
      京都市
    • Related Report
      2008 Final Research Report

URL: 

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

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