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19 March 2015 Phase-difference-dependent laser-induced quantum entanglement in a pair of cubits
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Abstract
We study the evolution of quantum entanglement in the model of two identical qubits interacting with a singlemode laser field. The density matrix and Peres-Horodecki parameter are calculated within the frameworks of path-integral formalism. The quantum entanglement measure is shown to be strongly dependent upon the phase difference between the laser radiation acting on each cubit. This observation may offer the possibility of quantum entanglement stationary control by varying the distance between the qubits.
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Alexander A. Biryukov, Vladimir L. Derbov, and Mark A. Shleenkov "Phase-difference-dependent laser-induced quantum entanglement in a pair of cubits", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 94482I (19 March 2015); https://doi.org/10.1117/12.2181319
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