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Transverse acoustic wave spectroscopy of surface bound states in superfluid helium 3

Research Project

Project/Area Number 19540361
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionTokyo Institute of Technology

Principal Investigator

NOMURA Ryuji  Tokyo Institute of Technology, 大学院・理工学研究科, 助教 (00323783)

Co-Investigator(Kenkyū-buntansha) OKUDA Yuichi  東京工業大学, 大学院・理工学研究科, 教授 (50135670)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords超流動ヘリウム3 / 表面束縛状態 / 表面状態密度 / 超音波分光 / P波超流動 / アンドレーエフ束縛状態 / 横波音響インピーダンス / 異方的超流動 / 対破壊 / 鏡面散乱
Research Abstract

超流動ヘリウム3のB相における表面状態密度には、超流動ギャップエネルギー以下に束縛状態バンドが現れる。このバンド幅が、壁の鏡面度が大きくなるに従い広くなることを見出した。また音響インピーダンスの温度依存性に新たな異常が表れることを観測した。この異常は有限の鏡面度のとき、表面状態密度のゼロエネルギー状態が強く抑制されることによって説明された。

Report

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

    (25 results)

All 2009 2008 2007

All Journal Article (10 results) (of which Peer Reviewed: 10 results) Presentation (15 results)

  • [Journal Article] Transverse Acoustic Impedance of Normal Liquid ^3He with ^4He Coating, Journal of Physics2009

    • Author(s)
      Y. Tamura, S. Murakawa, Y. Wada, M, Wasai, M. Saitoh, Y. Aoki, R. Nomura and Y. Okuda
    • Journal Title

      Conference Series 150

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Surface condition dependence of transverse acoustic impedance in superfluid ^3He, Journal of Physics2009

    • Author(s)
      S. Murakawa, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, R. Nomura, Y. Okuda, Y. Nagato, M. Yamamoto, S. Higashitani and K. Nagai
    • Journal Title

      Conference Series 150

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Transverse Acoustic Impedance of Normal Liquid ^3He with ^4He Coating2009

    • Author(s)
      Y. Tamura, S. Murakawa, Y. Wada, M. Wasai, M. Saitoh, Y. Aoki, R. Nomura, Y. Okuda
    • Journal Title

      Journal of Physics : Conference Series 150

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Visual observation of the bubble dynamics in normal 4He, superfluid 4He and superfluid 3He-4He mixtures2009

    • Author(s)
      H. Abe, M. Morikawa, T. Ueda, R. Nomura, Y. Okuda, S. N. Burmistrov
    • Journal Title

      J. Fluid Mech. 619

      Pages: 261-275

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Broadening of the surface Andreev bound states band of superfluid ^3He-B on a partially specular wall2008

    • Author(s)
      Y. Wada, S. Murakawa, Y. Tamura, M. Saitoh, Y. Aoki, R. Nomura and Y. Okuda
    • Journal Title

      Phys. Rev B78

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Surface Density of States of Superfluid 3He for Different Surface Boundary Conditions2008

    • Author(s)
      S. Murakawa, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, R.Nomura, and Y. Okuda, J. Low Temp
    • Journal Title

      Phys 150

      Pages: 154-159

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Competition between thermal fluctuations and disorder in the crystallization of ^4He in aerogel2008

    • Author(s)
      R. Nomura, A. Osawa, T. Mimori, K. Ueno, H. Kato, Y. Okuda
    • Journal Title

      Phys. Rev. Lett. 101

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Surface Density of States of Superfluid 3He for Different Surface Boundary Conditions2008

    • Author(s)
      S. Murakawa*, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, R. Nomura, and Y. Okuda
    • Journal Title

      J. Low Temp. Phys. 150

      Pages: 154-159

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Faraday Instability of Superfluid Surface2007

    • Author(s)
      H. Abe, T. Ueda, M. Morikawa, Y. Saitoh, R. Nomura*, and Y. Okuda
    • Journal Title

      Phys. Rev. E 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Filament Formation by Impurities Embedding into Superfluid Helium2007

    • Author(s)
      E. B. Gordon, R. Nishida, R. Nomura and Y. Okuda
    • Journal Title

      JETP Lett. 85

      Pages: 581-584

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 高圧bulk3He中における薄膜4HeのKT転移について2009

    • Author(s)
      和才将大, 村川智, 田村雄太, 和田雄一郎, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教学院池袋キャンパス
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 強磁場中における超流動3Heの横波音響応答II2009

    • Author(s)
      村川智, 山口明, 荒井美穂, 田村雄太, 和才将大, 青木悠樹, 石本英彦, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教学院池袋キャンパス
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 強磁場中における超流動3Heの横波音響応答、日本物理学会2008 年秋季大会強磁場中における超流動3Heの横波音響応答、日本物理学会2008年秋季大会2008

    • Author(s)
      村川智、山口明、田村雄太, 和才将大, 青木悠樹, 石本英彦、野村竜司, 奥田雄一
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] 4Heコートをした常流動3Heの横波音響応答III2008

    • Author(s)
      田村雄太, 村川智, 和才将大, 和田雄一郎, 斎藤政通, 青木悠樹, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] 4Heをコートした超流動3Heの横波音響応答2008

    • Author(s)
      村川智, 和田雄一郎, 田村雄太, 和才将大, 斎藤政通, 青木悠樹, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Surface Condition Dependence of the Surface Andreev Bound States of Superfluid ^3He-B Measured by Transverse Acoustic Impedance2008

    • Author(s)
      S. Murakawa, Y. Wada, Y. Tamura, M. Wasai, M. Saitoh, Y. Aoki, R. Nomura, Y. Okud, Y. Nagato, M. Yamamoto, S. Higashitani and K. Nagai
    • Organizer
      ULT2008 ; Frontiers of Low Temperature Physics
    • Place of Presentation
      Royal Holloway University of London, England
    • Year and Date
      2008-08-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Transverse Acoustic Impedance Measurements in Superfluid ^3He A_1 and A_2 Phases2008

    • Author(s)
      S. Murakawa, A. Yamaguchi, Y. Tamura, M. Wasai, Y. Aoki, H. Ishimoto, R. Nomura and Y. Okuda
    • Organizer
      ULT2008 ; Frontiers of Low Temperature Physics
    • Place of Presentation
      Royal Holloway University of London, England
    • Year and Date
      2008-08-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Surface condition dependence of Transverse Acoustic Impedance in Superuid 3He2008

    • Author(s)
      S. Murakawa, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, R. Nomura, Y. Okuda, Y. Nagato, M. Yamamoto, S. Higashitani, and K. Nagai
    • Organizer
      25^<th> international conference on Low Temperature Physics (LT25)
    • Place of Presentation
      RAI Conference Center, Amsterdam, Netherlands
    • Year and Date
      2008-08-13
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Surface Andreev bound states of superfluid 3He on a specularity controlled wall2008

    • Author(s)
      R. Nomura, S. Murakawa, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, Y. Okuda, Y. Nagato, M. Yamamoto, S. Higashitani, and K. Nagai
    • Organizer
      25^<th> international conference on Low Temperature Physics (LT25)
    • Place of Presentation
      RAI Conference Center, Amsterdam
    • Year and Date
      2008-08-08
    • Related Report
      2008 Final Research Report
  • [Presentation] 4Heコートをした常流動3Heの横音響応答II2008

    • Author(s)
      田村雄太, 和田雄一郎, 村川智, 斎藤政通, 青木悠樹, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会第63回年会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 4Heをコートした超流動3Heの表面束縛状態II2008

    • Author(s)
      村川智, 和田雄一郎, 田村雄太, 斎藤政通, 青木悠樹, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会第63回年会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 4He コートをした常流動3He の横波音響応答2007

    • Author(s)
      田村雄太, 和田雄一郎, 村川智, 斎藤政通, 青木悠樹, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会第62回年会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-24
    • Related Report
      2008 Final Research Report
  • [Presentation] 4Heをコートした超流動3Heの表面束縛状態2007

    • Author(s)
      村川智, 和田雄一郎, 田村雄太, 斎藤政通, 青木悠樹, 野村竜司, 奥田雄一
    • Organizer
      日本物理学会第62回年会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-24
    • Related Report
      2008 Final Research Report
  • [Presentation] The Surface Density of States of Superfluid 3He for Different Surface Boundary Conditions2007

    • Author(s)
      S. Murakawa, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, R. Nomura, and Y. Okuda
    • Organizer
      International symposium on quantum fluids and solids (QFS2007)
    • Place of Presentation
      Kazan State University, Kazan, Russia
    • Year and Date
      2007-08-01
    • Related Report
      2008 Final Research Report
  • [Presentation] The Surface Density of States of Superfluid 3He for Different Surface Boundary Conditions2007

    • Author(s)
      S. Murakawa, Y. Wada, Y. Tamura, M. Saitoh, Y. Aoki, R. Nomura, and Y. Okuda
    • Organizer
      International symposium on quantum fluids and solids (QFS2007)
    • Place of Presentation
      Kazan State University
    • Year and Date
      2007-08-01
    • Related Report
      2007 Annual Research Report

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

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