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The entropy of entangled three-level atoms interacting with entangled cavity fields: Entanglement swapping

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  • Qiang, Wen-Chao
  • Cardoso, W.B.
  • Zhang, Xin-Hui

Abstract

The dynamics of an entangled atomic system, partially interacting with entangled cavity fields and characterizing an entanglement swapping, has been studied through their von Neumann entropies. The aforementioned interaction is implemented via a two-photon process, given by either the full microscopical Hamiltonian approach or the two-photon Jaynes–Cummings model. Numerical simulations furnish the explicit expressions for each sub-system entropy, which allow us to estimate the multiperiodicity in the evolution of the entangled atom–field system. The effects of the detuning parameter upon the period and the amplitude of the entropies are also discussed as well as the power spectrum of the entropy.

Suggested Citation

  • Qiang, Wen-Chao & Cardoso, W.B. & Zhang, Xin-Hui, 2010. "The entropy of entangled three-level atoms interacting with entangled cavity fields: Entanglement swapping," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(21), pages 5109-5115.
    • Handle: RePEc:eee:phsmap:v:389:y:2010:i:21:p:5109-5115
    DOI: 10.1016/j.physa.2010.07.021
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    Cited by:

    1. Ji, Zhaoxu & Fan, Peiru & Zhang, Huanguo, 2022. "Entanglement swapping for Bell states and Greenberger–Horne–Zeilinger states in qubit systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 585(C).

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