Construction of Quantum Hydrodynamics

• Project/Area Number: 18340109
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Condensed matter physics II
• Research Institution: Osaka City University
• Principal Investigator: TSUBOTA Makoto Osaka City University, 大学院・理学研究科, 教授 (10197759)
• Co-Investigator(Kenkyū-buntansha): 笠松 健一 石川工業高等専門学校, 一般教育科, 講師 (70413763)
• Co-Investigator(Renkei-kenkyūsha): KASAMATSU Kenichi 近畿大学, 理工学部, 講師 (70413763)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥17,240,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥2,940,000); Fiscal Year 2008: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000); Fiscal Year 2007: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000); Fiscal Year 2006: ¥4,500,000 (Direct Cost: ¥4,500,000)
• Keywords: 超流動 / ボース凝縮 / 量子乱流 / 量子渦 / 量子流体 / 超流動ヘリウム / 量子流体力学 / ボース・アインシュタイン凝縮 / 乱流 / 二流鯛モデル / 2流体モデル

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

• [Journal Article] Spacetime analog of Bose-Einstein condensates : Bogoliubov-de Gennes formulation (2009)
  • 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 condensates (2009)
  • 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 condensates (2009)
  • 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 turbulence (2009)
  • Author(s): S.Fujiyama and M.Tsubota
  • Journal Title: Phys. Rev. B79(094513) Pages: 1-7
  • Peer Reviewed
• [Journal Article] Spontaneous radiation and amplification of Kelvin waves on quantized vortices in Bose-Einstein (2009)
  • Author(s): H. Takeuchi, K. Ksamatsu, M. Tsubota
  • Journal Title: Physical Review A 79
  • Peer Reviewed
• [Journal Article] Spin echo in spinor dipolar Bose-Einstein condensates (2008)
  • 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 Rings (2008)
  • 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 turbulence (2008)
  • Author(s): M.Tsubota, J.Phys
  • Journal Title: Soc. Jpn. 77(111006) Pages: 1-12
  • NAID: 130007610645
  • Peer Reviewed
• [Journal Article] Spin echo in spinor dipolar Bose-Einstein condensates (2008)
  • Author(s): M. Yasunaga, M. Tsubota
  • Journal Title: Physical Review Letters 101
  • Peer Reviewed
• [Journal Article] Drag force on an oscillating object in quantum turbulence (2008)
  • Author(s): S. Fujiyama. M. Tsubota
  • Journal Title: Physical Review B 79
  • Peer Reviewed
• [Journal Article] Turbulence in Boundary Flow of Superfluid 4He Triggered by Free Vortex Rings (2008)
  • Author(s): R.Goto, M.Tsubota, et. al.
  • Journal Title: Physicsl Review Letters 100
  • Peer Reviewed
• [Journal Article] Quantum turbulence in a trapped Bose-Einstein condensate (2007)
  • 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 temperatures (2007)
  • 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
  • NAID: 110006198200
  • Peer Reviewed
• [Journal Article] Quantum Turbulence in a Trapped Bose-Einstein Condensate (2007)
  • Author(s): M.Kobayashi, M.Tsubota
  • Journal Title: Physicsl Review A 76
  • Peer Reviewed
• [Journal Article] Dynamical Properties of Vortices in a Bose-Einstein Condensate in a Roating Lattice (2007)
  • Author(s): K.Ksamatsu, M.Tsubota
  • Journal Title: J.Low Tem.Phys. 148 Pages: 357-362
  • Peer Reviewed
• [Journal Article] Generation of turbulence by oscillating structures in superfluid helium at very low temparatures (2007)
  • Author(s): R.Hanninen, M.Tsubota, W.F.Vinen
  • Journal Title: Physical Review B 75
• [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 62 Pages: 15-23
  • NAID: 110006198200
• [Journal Article] Dynamical vortex phases in a Bose-Einstein condensate driven by a rotating optical lattice (2006)
  • 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 waves (2006)
  • 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 turbulence (2006)
  • 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 model (2006)
  • 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 condensates (2006)
  • 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 state (2006)
  • 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 regime (2006)
  • 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 Turbulence (2006)
  • 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 3He (2006)
  • 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
• [Journal Article] Dynamical Vortex Phases in a Bose-Einstein Condensate Driven by a Rotating Optical Lattice (2006)
  • Author(s): K.Kasamatsu, M.Tsubota
  • Journal Title: Physical Review Letters 97
• [Journal Article] Phase Separation of a Fast Rotating Boson-Fermion Mixuture in the Lowest-Landau-Level Regime (2006)
  • Author(s): R.Kanamoto, M.Tsubota
  • Journal Title: Physical Review Letters 96
• [Journal Article] Thermal Dissipation in Quantum Turbulence (2006)
  • Author(s): M.Kobayashi, M.Tsubota
  • Journal Title: Physical Review Letters 97
• [Journal Article] Twisted Vortex State (2006)
  • Author(s): V.B Eltsov, A.P.Finne, R.Hanninen, J.Kopu, M.Krusius, M.Tsubota, E.V.Thuneberg
  • Journal Title: Physical Review Letters 96
• [Presentation] Quantum turbulence -from superfluid helium to atomic Bose-Einstein condensates- (2008)
  • Author(s): 坪田誠
  • Organizer: 第25回低温物理学国際会議
  • Place of Presentation: オランダ、アムステルダム
  • Year and Date: 2008-08-08
• [Presentation] Quantum Turbulence(Invited) (2008)
  • Author(s): M.Tsubota
  • Organizer: International Symposium on Frontiers of Computational Science
  • Place of Presentation: Nagoya, Japan
• [Presentation] Quantum Turbulence -from Superfl uid Helium to Atomic Bose-Einstein Condensates- (invited) Worskshop (2008)
  • Author(s): M.Tsubota
  • Organizer: Inertial-Range Dynamics and Mixing
  • Place of Presentation: Cambridge, UK
• [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
• [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
• [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 (2007)
  • Author(s): 坪田 誠
  • Organizer: 日本物理学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-23
• [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
• [Presentation] Quantum Turbulence in Trapped Atomic Bose-Einstein Condensates International Symposium on Quantum Fluids and Solids (2007)
  • Author(s): M.Tsubota
  • Place of Presentation: Kazan, Russia
• [Presentation] Numerical analysis of quantum turbulence (Invited) 2006 (2006)
  • Author(s): M.Tsubota
  • Organizer: 59th Annual Meeting of the APS Division of Fluid Dynamics
  • Place of Presentation: Tampa, USA
• [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
  • Publisher: 培風館
• [Book] Progress in Low Temperature Physics, ed. (2008)
  • Author(s): W.P.Halperin and M.Tsubota
  • Publisher: Elsevier, Amsterdam(Vol.16)
• [Book] 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: 219
  • Publisher: 培風館
• [Remarks]
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