Universal approach to quantum thermodynamics of strongly coupled systems under nonequilibrium conditions and external driving

Abstract

We present an approach based on a density matrix expansion to study thermodynamic properties of a quantum system strongly coupled to two or more baths. For slow external driving of the system, we identify the adiabatic and nonadiabatic contributions to thermodynamic quantities, and we show how the first and second laws of thermodynamics are manifested in the strong coupling regime. Particularly, we show that the entropy production is positive up to second order in the driving speed. The formulation can be applied both for Bosonic and Fermionic systems, and recovers previous results for the equilibrium case (Phys. Rev. B 98, 134306 [2018]). The approach is then demonstrated for the driven resonant level model as well as the driven Anderson impurity model, where the hierarchical quantum master equation method is used to accurately simulate the nonequilibrium quantum dynamics.

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Cited by in corpus (10)

• Perspective: Numerically "exact" approach to open quantum dynamics: The hierarchical equations of motion (HEOM)
• Quantum Engines and Refrigerators
• Green's functions perspective on nonequilibrium thermodynamics of open quantum systems strongly coupled to baths
• Response theory for nonequilibrium steady-states of open quantum systems
• Numerically "exact" simulations of entropy production in the fully quantum regime: Boltzmann entropy versus von Neumann entropy
• Entropy and information flow in quantum systems strongly coupled to baths
• Corrections to the Hamiltonian induced by finite-strength coupling to the environment
• Spin-orbit interaction induces charge beatings in a lightwave-STM single molecule junction
• Numerical study of non-adiabatic quantum thermodynamics of the driven resonant level model: Non-equilibrium entropy production and higher order corrections
• Periodically-driven quantum thermal machines from warming up to limit cycle