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Dynamics of nonclassical correlations via local quantum uncertainty for atom and field interacting into a lossy cavity QED

Author

Listed:
  • Sales, J.S.
  • Cardoso, W.B.
  • Avelar, A.T.
  • de Almeida, N.G.

Abstract

We study the dynamics of nonclassical correlations of an atom interacting with a squeezed coherent state or a squeezed coherent states superposition (SCSS) trapped into a lossy thermal cavity QED by using local quantum uncertainty (LQU). By varying several parameters of control, such as the average photon number of the coherent state and the squeezing parameter, we are able to select the atom–field interaction time allowing us to obtain the higher value to LQU. In addition, after the atom leaving the cavity, for certain range of the displacement parameter we have found a sudden change in the LQU as a function of time when the squeezing parameter of the SCSS is very small.

Suggested Citation

  • Sales, J.S. & Cardoso, W.B. & Avelar, A.T. & de Almeida, N.G., 2016. "Dynamics of nonclassical correlations via local quantum uncertainty for atom and field interacting into a lossy cavity QED," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 443(C), pages 399-405.
    • Handle: RePEc:eee:phsmap:v:443:y:2016:i:c:p:399-405
    DOI: 10.1016/j.physa.2015.09.096
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    Cited by:

    1. Shastitko, Andrey (Шаститко, Андрей) & Komkova, Anastasia Andreevna (Комкова, Анастасия Андреевна) & Kurdin, Alexander (Курдин, Александр), 2016. "Competition Policy and Incentives for Innovation [Экономическая Теория Об Адвокатировании Конкуренции]," Working Papers 1448, Russian Presidential Academy of National Economy and Public Administration.

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