Theoretical study on average current and current fluctuations in mesoscopic quantum heat transport

• Project/Area Number: 19740232
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Mathematical physics/Fundamental condensed matter physics
• Research Institution: The University of Tokyo
• Principal Investigator: SAITO Keiji The University of Tokyo, 大学院・理学系研究科, 助教 (90312983)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥1,840,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥240,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥800,000 (Direct Cost: ¥800,000)
• Keywords: 物性基礎論 / 非平衡定常 / 量子輸送現象 / 非平衡現象

Research Abstract

メゾスコピック系での熱伝導現象の熱流揺らぎの特性を明らかにし、その研究過程で得られた技術を電気伝導にも応用し実験につながる話に持っていった。またカーボンナノチューブの熱伝導を意識した、ランダムポテンシャルによる熱の局在現象の考察も行った。

Research Products

• [Journal Article] Fluctuation otheorem in Quantum Heat Conduction (2008)
  • Author(s): Keiji Saito, Abhishek Dhar
  • Journal Title: Phys. Rev. Lett. 99 Pages: 180601-180604
  • Peer Reviewed
• [Journal Article] Dynamical Localization, Coherent destruction, and Landau-Zener (2008)
  • Author(s): Yosuke Kayanuma, Keiji Saito
  • Journal Title: Phys. Rev. A 77 Pages: 10101-10104
  • Peer Reviewed
• [Journal Article] Energy Dissipation and Fluctuation-Response in Driven Quantum Langevin Dynamics (2008)
  • Author(s): Keiji Saito
  • Journal Title: Europhys Letters 83 Pages: 50006-50009
  • Peer Reviewed
• [Journal Article] Symmetry in Full-Counting Statistics, Fluctuation Theorem, and Relations among Nonlinear Transport coefficients in the presence of a Magnetic field (2008)
  • Author(s): Keiji Saito, Yasuhiro Utsumi
  • Journal Title: Phys. Rev. B 78 Pages: 115429-115435
  • Peer Reviewed
• [Journal Article] Heat conduction in the disordered Fermi-Pasta-Ulam chain (2008)
  • Author(s): Abhishek Dhar, Keiji Saito
  • Journal Title: Phys. Rev. E 78 Pages: 61136-61139
  • Peer Reviewed
• [Journal Article] Heat conduction in the disordered Fermi-Pasta-Ulam chain (2008)
  • Author(s): Abhishek Dhar and Keiji Saito
  • Journal Title: Phys. Rev. E 78 Pages: 61136-61139
  • Peer Reviewed
• [Journal Article] Symmetry in Full-Counting Statistics, Fluctuation Theorem,and Relations among Nonlinear Transport coefficients in the presence of a Magnetic field (2008)
  • Author(s): Keiji Saito and Yasuhiro Utsumi
  • Journal Title: Phys. Rev. B 78 Pages: 115429-115435
  • Peer Reviewed
• [Journal Article] Energy Dissipation and Fluctuation-Response in Driven Quantum Langevin dynamics (2008)
  • Author(s): Keiji Saito
  • Journal Title: Europhys Letters 83 Pages: 50006-50009
  • Peer Reviewed
• [Journal Article] Semiclassical Theory for Parametric Correlation of Energy Levels (2007)
  • Author(s): T, Nagao, S. Muller, P. Braun, Keiji Saito, S. Heusler and F. Haake
  • Journal Title: J. Phys. A : Math. Theor. 40 Pages: 47-63
  • Peer Reviewed
• [Journal Article] Dissipative Landau-Zener Transitions of a Qubit : Bath-Specific and Universal Behavior (2007)
  • Author(s): Keiji Saito, M. Wubs, S. Kohler, Y. Kayanuma and P. Hanggi
  • Journal Title: Phys. Rev. B 75 Pages: 214308-214322
  • Peer Reviewed
• [Journal Article] Fluctuation theorem in Quantum Heat Conduction (2007)
  • Author(s): Keiji Saito and Abhishek Dhar
  • Journal Title: Phys. Rev. Lett. 99 Pages: 180601-18603
  • Peer Reviewed
• [Presentation] 量子輸送系での大偏差解析と揺らぎの定理 (2008)
  • Author(s): 齊藤圭司
  • Organizer: 日本物理学会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21