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

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

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.

Suggested Citation

  • de Paula, Josiane Oliveira Rezende & Peixoto de Faria, J.G. & de Oliveira, J.G.G. & de Carvalho Falcão, Ricardo & Oliveira, Adélcio C., 2019. "Jarzynski equality for superconducting optical cavities: An alternative path to determine Helmholtz free energy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 520(C), pages 26-34.
    • Handle: RePEc:eee:phsmap:v:520:y:2019:i:c:p:26-34
    DOI: 10.1016/j.physa.2018.12.042
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    References listed on IDEAS

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    1. Federico Cerisola & Yair Margalit & Shimon Machluf & Augusto J. Roncaglia & Juan Pablo Paz & Ron Folman, 2017. "Using a quantum work meter to test non-equilibrium fluctuation theorems," Nature Communications, Nature, vol. 8(1), pages 1-6, December.
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