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Tripartite Entanglement Dynamics in the System Consisting of Three Damping Jaynes-Cummings Models

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Abstract

In this paper we consider the situation that three identical two-level atoms resonantly interact with three distant single-mode optical cavities via a one-photon hopping separately, and there exist the phenomena of atom-decay and cavity-decay. Under Jaynes-Cummings model the time evolution of the system is given. The tripartite negativity is used to quantify the degree of tripartite entanglement. The tripartite entanglement dynamics among atoms and among cavities are studied. The influences of the atom-decay and the cavity-decay on tripartite entanglement are discussed. The results obtained using the numerical method show that the tripartite entanglement among atoms and that among cavities all display damping oscillation behavior. On the other hand, as the atomic decay rate increases, their decays are accelerated, and so do they with the increase of cavity decay rate.

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  1. College of Mechanic and Electronic Engineering, Wuyi University, Wuyishan, 354300, People’s Republic of China

    Dao-Ming Lu

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  1. Dao-Ming Lu
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Lu, DM. Tripartite Entanglement Dynamics in the System Consisting of Three Damping Jaynes-Cummings Models. Int J Theor Phys 59, 3217–3223 (2020). https://doi.org/10.1007/s10773-020-04574-2

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  • DOI: https://doi.org/10.1007/s10773-020-04574-2

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