Nonequilibrium quantum transport coefficients and transient dynamics of full counting statistics in the strong-coupling and non-Markovian regimes

Journal ar
Physical Review B
  • Volumen: 94
  • Número: 21
  • Fecha: 27 December 2016
  • ISSN: 24699969 24699950
  • Source Type: Journal
  • DOI: 10.1103/PhysRevB.94.214308
  • Document Type: Article
  • Publisher: American Physical
© 2016 American Physical Society.Nonequilibrium transport properties of quantum systems have recently become experimentally accessible in a number of platforms in so-called full-counting experiments that measure transient and steady-state nonequilibrium transport dynamics. We show that the effect of the measurement back-action can be exploited to establish general relationships between transport coefficients in the transient regime which take the form of fluctuation-dissipation theorems in the steady state. This result becomes most conspicuous in the transient dynamics of open quantum systems under strong-coupling to non-Markovian environments in nonequilibrium settings. In order to explore this regime, a new simulation method based in a hierarchy of equations of motion has been developed. We instantiate our proposal with the study of energetic conductance between two baths connected via a few level system.

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