21 April 2016 Control atomic entanglement by the initial atomic coherence
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We study the entanglement properties of a pair of two-level atoms going through a thermal cavity one after another. The initial joint states of two successive atoms that enter the cavity are coherent or entangled. Using the exact solution of density matrix evolution equation we calculated the negativity for different values of cavity mean photon numbers. We shown the possibility to save the initial atomic entanglement even for a thermal cavity field with relatively high temperature.
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Eugene K. Bashkirov, Eugene K. Bashkirov, "Control atomic entanglement by the initial atomic coherence", Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 991739 (21 April 2016); doi: 10.1117/12.2229821; https://doi.org/10.1117/12.2229821

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