Thermodynamics of trajectories of open quantum systems, step by step

Abstract

Thermodynamics of trajectories promises to make possible the thorough analysis of the dynamical properties of an open quantum system, a sought-after goal in modern physics. Unfortunately, calculation of the relevant quantities presents severe challenges. Determining the large-deviation function that gives access to the full counting statistics associated with a dynamical order parameter is challenging, if not impossible, even for systems evolving in a restricted Liouville space. Acting on the realisation that the salient features of most dynamical systems are encoded in the first few moments of the counting statistics, in this article we present a method that gives sequential access to these moments. Our method allows for obtaining analytical result in several cases, as we illustrate, and allows using large deviation theory to reinterpret certain well-known results.

23 pages and 4 figures

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• Charge and spin current statistics of the open Hubbard model with weak coupling to the environment
• Strongly correlated non-equilibrium steady states with currents --- quantum and classical picture
• Vibrational assisted conduction in a molecular wire
• Explicit noise and dissipation operators for quantum stochastic thermodynamics