Jarzynski equality for superconducting optical cavities: An alternative path to determine Helmholtz free energy

Josiane Oliveira Rezende de Paula, J.G. Peixoto de Faria, J.G.G. de Oliveira, Ricardo de Carvalho Falcão and Adélcio C. Oliveira

Physica A: Statistical Mechanics and its Applications, 2019, vol. 520, issue C, 26-34

Abstract: A superconducting cavity model was proposed as a way to experimentally investigate the work performed in a quantum system. We found a simple mathematical relation between the free energy variation and visibility measurement in quantum cavity context. If we consider the difference of Hamiltonian at time t0 and tλ (protocol time) as a quantum work, then the Jarzynski equality is valid and the visibility can be used to determine the work done on the cavity.

Keywords: Quantum work; Quantum heat; Quantum Jarzynski equality; Cavity quantum electrodynamics (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:520:y:2019:i:c:p:26-34

DOI: 10.1016/j.physa.2018.12.042

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