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

2008 Fiscal Year Final Research Report

• 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
• Keywords: 物性基礎論 / 非平衡定常

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: 010101-010104
  • 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: 061136-061139
  • 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