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Thermodynamics of Reduced State of the Field

International Center for Theory of Quantum Technologies, University of Gdansk, 80-308 Gdańsk, Poland
Center for Theoretical Physics, Polish Academy of Sciences, 02-668 Warszawa, Poland
Author to whom correspondence should be addressed.
Academic Editors: Bassano Vacchini, Andrea Smirne and Nina Megier
Entropy 2021, 23(9), 1198;
Received: 18 July 2021 / Revised: 30 August 2021 / Accepted: 6 September 2021 / Published: 11 September 2021
(This article belongs to the Special Issue Quantum Information Concepts in Open Quantum Systems)
Recent years have seen the flourishing of research devoted to quantum effects on mesoscopic and macroscopic scales. In this context, in Entropy 2019, 21, 705, a formalism aiming at describing macroscopic quantum fields, dubbed Reduced State of the Field (RSF), was envisaged. While, in the original work, a proper notion of entropy for macroscopic fields, together with their dynamical equations, was derived, here, we expand thermodynamic analysis of the RSF, discussing the notion of heat, solving dynamical equations in various regimes of interest, and showing the thermodynamic implications of these solutions. View Full-Text
Keywords: reduced state of the field; quantum thermodynamics; macroscopic fields; quantum optics reduced state of the field; quantum thermodynamics; macroscopic fields; quantum optics
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MDPI and ACS Style

Cusumano, S.; Rudnicki, Ł. Thermodynamics of Reduced State of the Field. Entropy 2021, 23, 1198.

AMA Style

Cusumano S, Rudnicki Ł. Thermodynamics of Reduced State of the Field. Entropy. 2021; 23(9):1198.

Chicago/Turabian Style

Cusumano, Stefano, and Łukasz Rudnicki. 2021. "Thermodynamics of Reduced State of the Field" Entropy 23, no. 9: 1198.

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