19 March 2015 Entanglement between two atoms in the presence of dipole-dipole interaction and atomic coherence
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Abstract
We have investigated the influence of dipole-dipole interaction and initial atomic coherence on dynamics of two-atom systems. We have considered a model, in which only one atom is trapped in a cavity, and the other one can be spatially moved freely outside the cavity. We have shown the possibility of disappearance of the entanglement sudden death effect in the presence of the dipole interaction of atoms. We have also derived that the initial atomic coherence can be used for effective control of the degree of the atom-atom entanglement.
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Eugene K. Bashkirov, Eugene K. Bashkirov, Darya V. Litvinova, Darya V. Litvinova, } "Entanglement between two atoms in the presence of dipole-dipole interaction and atomic coherence", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944827 (19 March 2015); doi: 10.1117/12.2179881; https://doi.org/10.1117/12.2179881
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