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Proceedings Paper

Influence of Stark shift and atomic coherence on entanglement of two qubits
Author(s): Eugene K. Bashkirov; Michail Mastuygin
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Paper Abstract

In this paper we have investigated the atom-atom entanglement for degenerate two-photon Tavis-Cummings model with taking into account Stark shift and initial atomic coherence. Considering different initial coherent states we have derived that the atom-atom entanglement can be greatly increased or decreased due to the presence of the Stark shift. In addition, we have derived that the entanglement sudden death effect vanishes due to the presence of Stark shift for some initial states.

Paper Details

Date Published: 19 March 2015
PDF: 8 pages
Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944826 (19 March 2015); doi: 10.1117/12.2179878
Show Author Affiliations
Eugene K. Bashkirov, Samara State Univ. (Russian Federation)
Michail Mastuygin, Samara State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 9448:
Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics
Elina A. Genina; Vladimir L. Derbov; Kirill V. Larin; Dmitry E. Postnov; Valery V. Tuchin, Editor(s)

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