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Effects of Cavity-Field Statistics on Atomic Entanglement in Two-Mode Jaynes-Cummings Model

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Abstract

We study the entanglement properties of a pair of two-level Rydberg atoms passing one after another into a lossless cavity with two modes. The initial joint state of two successive atoms that enter the cavity is unentangled. Interactions mediated by the cavity field results in the final two-atom mixed entangled type state. The entanglement of formation of the joint two-atom state as a function of the Rabi angle gt is calculated for Fock state field, coherent field and thermal field respectively inside the cavity. We present a comparative study of two-atom entanglement corresponding to the different field statistics.

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Acknowledgements

The first author (Sudha Singh) wishes to acknowledge the support from the University Grants Commission (UGC, New Delhi, India) in the form of a Major Research Project (F.No. 37-327/2009 (SR)).

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  1. University Department of Physics, Ranchi University, Ranchi, 834008, Jharkhand State, India

    Sudha Singh &  Amrita

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  1. Sudha Singh
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  2. Amrita
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Correspondence to Sudha Singh.

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Singh, S., Amrita Effects of Cavity-Field Statistics on Atomic Entanglement in Two-Mode Jaynes-Cummings Model. Int J Theor Phys 52, 3874–3885 (2013). https://doi.org/10.1007/s10773-013-1697-x

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  • DOI: https://doi.org/10.1007/s10773-013-1697-x

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