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Time evolution of entanglement in a cavity at finite temperature

Author

Listed:
  • Figueiredo, E.G.
  • Linhares, C.A.
  • Malbouisson, A.P.C.
  • Malbouisson, J.M.C.

Abstract

We consider two identical atoms, taken in the harmonic approximation, inside a spherical cavity filled with a field described by an infinite set of oscillators. The atoms are linearly coupled to the field. Using the dressed-state approach and considering the field modes populated with thermal-distribution, we study the effect of temperature on the time evolution of entangled states of the pair of atoms. We particularly analyze the cases of finite and very-large cavities showing that survival and sudden-death of entanglement can happen at finite temperature.

Suggested Citation

  • Figueiredo, E.G. & Linhares, C.A. & Malbouisson, A.P.C. & Malbouisson, J.M.C., 2016. "Time evolution of entanglement in a cavity at finite temperature," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 462(C), pages 1261-1272.
    • Handle: RePEc:eee:phsmap:v:462:y:2016:i:c:p:1261-1272
    DOI: 10.1016/j.physa.2016.06.128
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