Geodesic
Entanglement in the two-atom two-photon nondegenerate Jaynes–Cummings model
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 149 (2007) no. 1, pp. 90-96 Cet article a éte moissonné depuis la source Math-Net.Ru

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The exact wave function is found in the work, the asymptotic solutions for system state vectors are obtained in the approximation of strong field for two-atom model with nondegenerate two-photon interaction. The reduced entropy dynamics is described for various initial atomic states and coherent field input, some conclusions about atom-field entanglement are made. We also show the possibility for the system being initially in the pure nonentangled state to revive into this state during the evolution process. 
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     title = {Entanglement in the two-atom two-photon nondegenerate {Jaynes{\textendash}Cummings} model},
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M. S. Rusakova; E. K. Bashkirov. Entanglement in the two-atom two-photon nondegenerate Jaynes–Cummings model. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 149 (2007) no. 1, pp. 90-96. http://geodesic.mathdoc.fr/item/UZKU_2007_149_1_a13/

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