Influence of dipole-dipole interaction and detuning on entanglement dynamics in two-atom Jaynes-Cummings model

Anatoly M. Vorobiev; Eugene K. Bashkirov

doi:10.1117/12.2315779

26 April 2018 Influence of dipole-dipole interaction and detuning on entanglement dynamics in two-atom Jaynes-Cummings model

Anatoly M. Vorobiev, Eugene K. Bashkirov

Author Affiliations +

Proceedings Volume 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV; 107170X (2018) https://doi.org/10.1117/12.2315779
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

Abstract

We have investigated the dynamics of entanglement of two identical qubits non-resonantly interacting with one mode of a thermal electromagnetic field in a lossless cavity in the presence of a direct dipole-dipole interaction. On the basis of the exact solution the evolution equation the negativity for qubits has been found. Numerical simulation of the negativity for various model parameters has been carried out. It has been shown that the interaction of qubits with the cavity thermal field can lead to their entanglement. It has been established that the detuning and dipole-dipole interaction of qubits can be used to manipulate and control the degree of their entanglement.

Citation Download Citation

Anatoly M. Vorobiev and Eugene K. Bashkirov "Influence of dipole-dipole interaction and detuning on entanglement dynamics in two-atom Jaynes-Cummings model", Proc. SPIE 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV, 107170X (26 April 2018); https://doi.org/10.1117/12.2315779

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