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Cooling with fermionic thermal reservoirs

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Author(s):
Damas, Gabriella G. ; de Assis, Rogerio J. ; de Almeida, Norton G.
Total Authors: 3
Document type: Journal article
Source: PHYSICAL REVIEW E; v. 107, n. 3, p. 6-pg., 2023-03-17.
Abstract

The quantum reservoirs commonly considered in open-quantum systems theory are those modeled by quantum harmonic oscillators, which are called bosonic reservoirs. Recently, quantum reservoirs modeled by two-level systems, the so-called fermionic reservoirs, have received attention due to their features. Given that the com-ponents of these reservoirs have a finite number of energy levels, unlike bosonic reservoirs, some studies are being carried out to explore the advantages of using this type of reservoir, especially in the operation of heat machines. In this paper, we carry out a case study of a quantum refrigerator operating in the presence of bosonic or fermionic thermal reservoirs, and we show that fermionic baths have advantages over bosonic ones. (AU)

FAPESP's process: 21/04672-0 - Quantum thermal engines and nonequilibrium steady states
Grantee:Rogério Jorge de Assis
Support Opportunities: Scholarships in Brazil - Post-Doctoral