Open quantum systems at finite temperature
Jean Richert, Tarek Khalil
TL;DR
This paper discusses a recent approach to defining thermodynamic functions of small open quantum systems at finite temperature, resolving debates about system-environment coupling effects.
Contribution
It reproduces and comments on Rivas's approach, providing a consistent framework for thermodynamics of strongly coupled open quantum systems.
Findings
Overcomes controversies in system-environment coupling
Provides a consistent thermodynamic description at finite temperature
Applicable to strongly interacting quantum systems
Abstract
The consistent definition of the thermodynamic functions of small open quantum systems in contact with an environment in equilibrium with a heat bath has been the subject of many debates in the quantum community. In the present work we reproduce and comment parts of a recent approach of this subject by Rivas [15]. This approach overcomes the controversial discussions generated by the coupling between a system and its environment for any type of coupling between the two parts and allows for a consistent description of the thermodynamical properties of the system strongly interacting with the bath
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Taxonomy
TopicsAdvanced Thermodynamics and Statistical Mechanics · Quantum many-body systems · Spectroscopy and Quantum Chemical Studies