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2008 Fiscal Year Final Research Report

Construction of Quantum Hydrodynamics

Research Project

  • PDF
Project/Area Number 18340109
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionOsaka City University

Principal Investigator

TSUBOTA Makoto  Osaka City University, 大学院・理学研究科, 教授 (10197759)

Co-Investigator(Renkei-kenkyūsha) KASAMATSU Kenichi  近畿大学, 理工学部, 講師 (70413763)
Project Period (FY) 2006 – 2008
Keywords超流動 / ボース凝縮 / 量子乱流 / 量子渦 / 量子流体
Research Abstract

超流動ヘリウム、中性原子気体ボース凝縮系(BEC)といった低温の量子凝縮系を対象に、量子流体力学の構築を行った。これらの系の流体力学は量子力学に支配され、その最小の構成要素としての量子渦が出現する。超流動ヘリウムでは、量子乱流と古典乱流の対比、振動物体が引き起こす量子乱流遷移などを明らかにした。原子気体BECでは、量子乱流の生成方法を提示し、スピノールBECの磁気共鳴などを明らかにした。

  • Research Products

    (30 results)

All 2009 2008 2007 2006 Other

All Journal Article (20 results) (of which Peer Reviewed: 20 results) Presentation (7 results) Book (2 results) Remarks (1 results)

  • [Journal Article] Spacetime analog of Bose-Einstein condensates : Bogoliubov-de Gennes formulation2009

    • Author(s)
      Y.Kurita, M.Kobayashi, T.Morinari, M.Tsubota, H.Ishihara
    • Journal Title

      Phys. Rev. A79(043616)

      Pages: 1-8

    • Peer Reviewed
  • [Journal Article] Vortex sheet in rotating two-component Bose-Einstein condensates2009

    • Author(s)
      K.Kasamatsu and M.Tsubota
    • Journal Title

      Phys. Rev. A79(023606)

      Pages: 1-7

    • Peer Reviewed
  • [Journal Article] Spontaneous radiation and amplification of Kelvin waves on quantized vortices in Bose-Einstein condensates2009

    • Author(s)
      H.Takeuchi, K.Kasamatsu and M.Tsubota
    • Journal Title

      Phys. Rev. A79(033619)

      Pages: 1-5

    • Peer Reviewed
  • [Journal Article] Drag force on an oscillating object in quantum turbulence2009

    • Author(s)
      S.Fujiyama and M.Tsubota
    • Journal Title

      Phys. Rev. B79(094513)

      Pages: 1-7

    • Peer Reviewed
  • [Journal Article] Spin echo in spinor dipolar Bose-Einstein condensates2008

    • Author(s)
      M.Yasunaga and M.Tsubota
    • Journal Title

      Phys. Rev. Lett. 101(220401)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Turbulence in Boundary Flow of Superfluid 4He Triggered by Free Vortex Rings2008

    • Author(s)
      R.Goto, S.Fujiyama, H.Yano, Y.Nago, N.Hashimoto, K.Obara, O.Ishikawa, M.Tsubota, T.Hata
    • Journal Title

      Phys. Rev. Lett. 100(045301)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Quantum turbulence2008

    • Author(s)
      M.Tsubota, J.Phys
    • Journal Title

      Soc. Jpn. 77(111006)

      Pages: 1-12

    • Peer Reviewed
  • [Journal Article] Quantum turbulence in a trapped Bose-Einstein condensate2007

    • Author(s)
      M.Kobayashi and M.Tsubota
    • Journal Title

      Phys. Rev. A76(045603)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Generation of turbulence by oscillating structures in superfluid helium at very low temperatures2007

    • Author(s)
      R.Hanninen, M.Tsubota and W.F.Vinen
    • Journal Title

      Phys. Rev. B75(064502)

      Pages: 1-12

    • Peer Reviewed
  • [Journal Article] 量子乱流研究の最近の発展2007

    • Author(s)
      坪田誠, 小林未知数
    • Journal Title

      日本物理学会誌 第62巻

      Pages: 15-23

    • Peer Reviewed
  • [Journal Article] Dynamical vortex phases in a Bose-Einstein condensate driven by a rotating optical lattice2006

    • Author(s)
      K.Kasamatsu and M.Tsubota
    • Journal Title

      Phys. Rev. Lett. 97(240404)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Anomalous translational velocity of vortex ring with finite-Amplitude Kelvin waves2006

    • Author(s)
      C.F.Barenghi, R.Hanninen and M.Tsubota
    • Journal Title

      Phys. Rev. E74(046303)

      Pages: 1-5

    • Peer Reviewed
  • [Journal Article] Thermal dissipation in quantum turbulence2006

    • Author(s)
      M.Kobayashi and M.Tsubota
    • Journal Title

      Phys. Rev. Lett. 97(145301)

    • Peer Reviewed
  • [Journal Article] Self organization of vortex-length distribution in quantum turbulence : an approach based on the Barabasi-Albert model2006

    • Author(s)
      A.Mitani and M.Tsubota
    • Journal Title

      Phys. Rev. B74(024526)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Modulation instability and solitary wave formation in two-component Bose-Einstein condensates2006

    • Author(s)
      K.Kasamatsu and M.Tsubota
    • Journal Title

      Phys. Rev. A74(013617)

      Pages: 1-14

    • Peer Reviewed
  • [Journal Article]2006

    • Author(s)
      H.Takeuchi and M.Tsubota, J.Phys
    • Journal Title

      Soc. Jpn. 75(063601)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Twisted vortex state2006

    • Author(s)
      V.B.Eltsov, A.P.Finne, R.Hanninen, J.Kopu, M.Krusius, M.Tsubota and E.V.Thuneberg
    • Journal Title

      Phys. Rev. Lett. 96(215302)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Phase separation of a fast rotating Boson-Fermion mixture in the lowest-Landau-level regime2006

    • Author(s)
      R.Kanamoto and M.Tsubota
    • Journal Title

      Phys. Rev. Lett. 96(200405)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Vortex Multiplication in Applied Flow : A Precursor to Superfluid Turbulence2006

    • Author(s)
      A.P.Finne, V.B.Eltsov, G.Eska, R.Hanninen, J.Kopu, M.Krusius, E.V.Thuneberg and M.Tsubota
    • Journal Title

      Phys. Rev. Lett. 96(085301)

      Pages: 1-4

    • Peer Reviewed
  • [Journal Article] Dynamics of vortices and interfaces in superfluid 3He2006

    • Author(s)
      A.P.Finne, V.B.Eltsov, R.Hanninen, N.B.Kopnin, J.Kopu, M.Krusius, M.Tsubota and G.E.Volovik
    • Journal Title

      Rep. Prog. Phys. 69

      Pages: 3157-3230

    • Peer Reviewed
  • [Presentation] Quantum Turbulence(Invited)2008

    • Author(s)
      M.Tsubota
    • Organizer
      International Symposium on Frontiers of Computational Science
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      20081127-29
  • [Presentation] Quantum Turbulence -from Superfl uid Helium to Atomic Bose-Einstein Condensates- (invited) Worskshop2008

    • Author(s)
      M.Tsubota
    • Organizer
      Inertial-Range Dynamics and Mixing
    • Place of Presentation
      Cambridge, UK
    • Year and Date
      20080929-1003
  • [Presentation] Quantum Turbulence -from Superfl uid Helium to Atomic Bose-Einstein Condensates- (half-plenary talk)2008

    • Author(s)
      M.Tsubota
    • Organizer
      25th international conference on Low Temperature Physics
    • Place of Presentation
      Amsterdam, Netherlands
    • Year and Date
      20080806-13
  • [Presentation] Quantum turbulence in atomic Bose-Einstein condensates(Invited)2008

    • Author(s)
      M.Tsubota
    • Organizer
      Nonlinear phenomena in degenerate quantum gases
    • Place of Presentation
      Toledo, Spain
    • Year and Date
      20080401-04
  • [Presentation] 量子乱流-超流動ヘリウムから原子気体ボース・アインシュタイン凝縮体まで-(招待講演)2007

    • Author(s)
      坪田誠
    • Organizer
      日本物理学会第62回年次大会
    • Place of Presentation
      北海道大学
    • Year and Date
      20070921-24
  • [Presentation] Quantum Turbulence in Trapped Atomic Bose-Einstein Condensates International Symposium on Quantum Fluids and Solids2007

    • Author(s)
      M.Tsubota
    • Place of Presentation
      Kazan, Russia
    • Year and Date
      20070801-06
  • [Presentation] Numerical analysis of quantum turbulence (Invited) 20062006

    • Author(s)
      M.Tsubota
    • Organizer
      59th Annual Meeting of the APS Division of Fluid Dynamics
    • Place of Presentation
      Tampa, USA
    • Year and Date
      20061119-21
  • [Book] 非線形科学シリーズ1量子渦のダイナミクス/砂丘と風紋の動力学2008

    • Author(s)
      坪田誠, 西森拓
    • Total Pages
      3-105
    • Publisher
      培風館
  • [Book] Progress in Low Temperature Physics, ed.2008

    • Author(s)
      W.P.Halperin and M.Tsubota
    • Total Pages
      1-414
    • Publisher
      Elsevier, Amsterdam(Vol.16)
  • [Remarks]

    • URL

      http://www.sci.osaka-cu.ac.jp/phys/eep/top-j.html

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

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