Study of the elementary processes of quantum turbulence by one quantum vortex

• Project/Area Number: 19740216
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Condensed matter physics II
• Research Institution: Tokyo University of Science (2008); Osaka City University (2007)
• Principal Investigator: ISHIGURO Ryosuke Tokyo University of Science, 理学部応用物理学科, 助教 (40433312)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,570,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥2,400,000 (Direct Cost: ¥2,400,000)
• Keywords: 量子液体 / 固体 / 超低温・超伝導 / 量子液体・固体 / 乱流 / 磁気共鳴 / 物性実験 / 低温物性 / 流体

Research Abstract

量子乱流の素過程を調べるために一本の量子渦の渦芯の動的な状態をNMRの手法によって観測した。量子渦の渦芯は直径10μm程度であり一本の動的な状態の観測は困難であろうと考えられていたが一次元MRIによって渦端点の位置の移動する様子まで観測に成功した。また量子乱流の素過程におけるKelvin波と量子渦の端点と壁との相互作用に関連すると考えられる臨界速度近傍での量子渦長の揺らぎを発見した。

Research Products

• [Journal Article] Growth of a single vortex line of 3He-A in a narrow cylinder under rotation J. Phys. (2009)
  • Author(s): R Ishiguro, K Izumina, Y Sasaki, M Kubota, O Ishikawa and T Takagi
  • Journal Title: Conf. Ser 150
  • Peer Reviewed
• [Journal Article] Effect of the cooling speed through Tc on the formation of textures in superfluid 3He-A (2009)
  • Author(s): K Izumina, R Ishiguro, M Kubota, Y Sasaki, T Takagi and O Ishikawa
  • Journal Title: J. Phys. : Conf. Ser 150
  • Peer Reviewed
• [Journal Article] Growth of a single vortex line of 3He?A in a narrow cylinder under rotation (2009)
  • Author(s): R Ishiguro, K Izumina, Y Sasaki, M Kubota, O Ishikawa and T Takagi
  • Journal Title: J. Phys. : Conf. Ser 150
  • Peer Reviewed
• [Journal Article] Effect of the cooling speed through Tc on the formation of textures in superfluid 3He?A (2009)
  • Author(s): K Izumina, R Ishiguro, M Kubota, Y Sasaki, T Takagi and O Ishikawa
  • Journal Title: J. Phys. : Conf. Ser 150
  • Peer Reviewed
• [Presentation] 回転下における円筒容器内の超流動ヘリウム3 (2008)
  • Author(s): 泉名健, 石黒亮輔, 佐々木豊, 高木丈夫, 久保田実, 石川修六
  • Organizer: 日本物理学会2008年秋 : 「秋季大会」
  • Place of Presentation: 岩手大
  • Year and Date: 2008-09-22
• [Presentation] Strange NMR Spectrum of Normal Liquid of Helium 3 in a Narrow Cylinder (2008)
  • Author(s): R. Ishiguro, K. Izumina, M. Kubota, Y. Sasaki, T. Takagi, and O. Ishikawa
  • Organizer: 25th international conference on Low Temperature Physics
  • Place of Presentation: Amsterdam
  • Year and Date: 2008-08-09
• [Presentation] Growth of a Single Vortex of 3He-A in a Narrow Cylinder under Rotation (2008)
  • Author(s): R. Ishiguro, K. Izumina, M. Kubota, Y. Sasaki, T. Takagi, and O. Ishikawa
  • Organizer: 25th international conference on Low Temperature Physics
  • Place of Presentation: Amsterdam
  • Year and Date: 2008-08-07
• [Presentation] Growth of a Single Vortex of 3He?A in a Narrow Cylinder under Rotation (2008)
  • Author(s): R. Ishiguro, K. Izumina, M. Kubota, Y. Sasaki, T. Takagi, and O. Ishikawa
  • Organizer: 25th international conference on Low Temperature Physics
  • Place of Presentation: Amsterdam
  • Year and Date: 2008-08-07
• [Presentation] Textural Transition of Rotating Superfluid 3He? A in a Single Narrow Cylinder (2008)
  • Author(s): K. Izumina, R. Ishiguro, M. Kubota, Y. Sasaki, T. Takagi, and O. Ishikawa
  • Organizer: 25th international conference on Low Temperature Physics
  • Place of Presentation: Amsterdam
  • Year and Date: 2008-08-07
• [Presentation] Effect of the Cooling Speed through Tc on the Formation of Textures in Superfluid 3He?A (2008)
  • Author(s): K. Izumina, R. Ishiguro, M. Kubota, Y. Sasaki, T. Takagi, and O. Ishikawa
  • Organizer: 25th international conference on Low Temperature Physics
  • Place of Presentation: Amsterdam
  • Year and Date: 2008-08-07
• [Presentation] 超流動ヘリウム3A相の一本の量子渦のダイナミクス (2008)
  • Author(s): 石黒亮輔, 泉名健, 佐々木豊, 久保田 実^A, 石川修六, 高木丈夫
  • Organizer: 日本物理学会 第63回年次大会
  • Place of Presentation: 近畿大学(東大阪)
  • Year and Date: 2008-03-26
• [Presentation] 円筒容器内の超流動ヘリウム3における織目構造の転移 (2008)
  • Author(s): 泉名健, 石黒亮輔, 久保田実, 石川修六, 佐々木豊, 高木丈夫^c
  • Organizer: 日本物理学会 第63回年次大会
  • Place of Presentation: 近畿大学(東大阪)
  • Year and Date: 2008-03-26
• [Presentation] 回転によって駆動されるヘリウム3A相の量子渦の運動 (2007)
  • Author(s): 石黒亮輔, 泉名健, 佐々木豊, 久保田実, 石川修六, 高木丈夫
  • Organizer: 日本物理学会 第62回年次大会
  • Place of Presentation: 北海道大学(札幌)
  • Year and Date: 2007-09-23
• [Presentation] Propagation of vortex of 3He-A in the narrow cylinder (2007)
  • Author(s): R. Ishiguro, K. Izumina, Y. Sasaki, M. Kubota, O. Ishikawa, and T. Takagi
  • Organizer: QFS2007, International Symposium on Quantum Fluids and Solids
  • Place of Presentation: Kazan, Russia
• [Presentation] High rotation speed measurements of superfluid 3He-A (2007)
  • Author(s): K. Izumina, R. Ishiguro, Y. Sasaki, M. Kubota, O. Ishikawa, and T. Takagi
  • Organizer: QFS2007, International Symposium on Quantum Fluids and Solids
  • Place of Presentation: Kazan, Russia
• [Presentation] Observation of vortices in superfluid _3He-A in a single narrow cylinder under high speed rotation (2007)
  • Author(s): R.Ishiguro, K.Izumina, Y.Sasaki, M.Kubota, O.Ishikawa, and T.Takagi
  • Organizer: International Symposium on Physics of New Quantum Phases in Superclean Materials (PSM2007)
  • Place of Presentation: Nagaragawa Convention Center,Gifu,Japan
• [Presentation] Propagation of vortex of _3He-A in the narrow cylinder (2007)
  • Author(s): R.Ishiguro, K.Izumina, Y.Sasaki, M.Kubota, O.Ishikawa, and T.Takagi
  • Organizer: QFS2007, International Symposium on Quantum Fluids and Solids
  • Place of Presentation: Kazan,Russia
• [Presentation] High rotation speed measurements ofsuperfluid 3He-A (2007)
  • Author(s): K.Izumina, R.Ishiguro, Y.Sasaki, M.Kubota, O.Ishikawa, and T.Takagi
  • Organizer: QFS2007, International Symposium on Quantum Fluids and Solids
  • Place of Presentation: Kazan,Russia
• [Presentation] NMR Measurement of a quantized Vortex of Rotating superfluid _3He-A in a Single Narrow Cylinder (2007)
  • Author(s): Ryosuke Ishiguro
  • Organizer: Superfluids Under Rotation Workshop Meeting (SUR2007)
  • Place of Presentation: Jerusalem,Israel,
• [Presentation] 高速回転下における超流動ヘリウム3-A相 (2001)
  • Author(s): 泉名健, 石黒亮輔, 佐々木豊, 久保田実, 石川修六, 高木丈夫
  • Organizer: 日本物理学会 第62回年次大会
  • Place of Presentation: 北海道大学(札幌)
  • Year and Date: 2001-09-23