Fluctuation theorem for a two-terminal conductor connected to a thermal probe

Y. Utsumi, O. Entin-Wohlman, A. Aharony, T. Kubo, Y. Tokura

Research output: Contribution to journalConference articlepeer-review


We analyze the full-counting statistics of the electric heat current flowing in a two-terminal quantum conductor coupled to a probe electrode. Based on the stochastic path-integral method, we derive the full-counting statistics of the two-terminal system, which obeys the fluctuation theorem in the presence of a magnetic field. We also calculate the heat-current correlation (the noise) in the linear response and the second-order nonlinear conductance, which explicitly satisfy an extension of the Onsager relation beyond the linear-response theory.

Original languageEnglish
Article number014021
JournalPhysica Scripta
Issue numberT165
StatePublished - 7 Oct 2015
EventFrontiers of Quantum and Mesoscopic Thermodynamics, FQMT 2013 - Prague, Czech Republic
Duration: 29 Jul 20133 Aug 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics


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