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1 NPSC - Nanophysique et Semiconducteurs NEEL - Institut Néel 2 L2C - Laboratoire Charles Coulomb

Abstract : This article introduces a stochastic thermodynamics for driven out-of-equilibrium open quantum systems. A stochastic Schrodinger equation allows to construct quantum trajectories describing the dynamics of the system state vector in presence of an environment. Thermodynamic quantities are then defined at the single quantum trajectory level. We thereby identify coherent contributions, without classical counterparts, leading to quantum fluctuations of thermodynamic quantities. This formalism eventually leads to central fluctuation theorems for entropy, extending in the quantum regime results obtained in classical stochastic thermodynamics. The thermal imprint of coherences on a simple implementation of Jarzynski equality is investigated, opening avenues for a thermodynamic approach to decoherence.

Keywords : Out-of-equilibrium statistical physics Quantum thermodynamics Quantum trajectories stochastic thermodynamics Fluctuation theorems





Autor: Cyril Elouard - Alexia Auffèves - Maxime Clusel -

Fuente: https://hal.archives-ouvertes.fr/



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