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Comparing the effects of atomic damping and velocity fluctuations upon transfer of quantum state in a bimodal cavity QED

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Abstract

In the present work we study the influence of both the fluctuation effects of the atom velocity and the atomic decay on the fidelity corresponding to a protocol for the quantum state transfer between two modes of a bimodal cavity QED. In our model the atom interacts separately with each mode, which is made possible by applying the Stark shift effect on the atomic-levels to tuning (detuning) properly modes A and B.

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Acknowledgements

We acknowledge financial support from the Brazilian agency CNPq. This work was performed as part of the Brazilian National Institute of Science and Technology for Quantum Information (INCT-IQ). ATA and NGA thank FAPEG for financial support.

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Authors and Affiliations

  1. Instituto de Física, Universidade Federal de Goiás, Goiânia, Goiás, 74.001-970, Brazil

    Wesley B. Cardoso, Ardiley T. Avelar & Norton G. de Almeida

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  1. Wesley B. Cardoso
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  2. Ardiley T. Avelar
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  3. Norton G. de Almeida
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Correspondence to Wesley B. Cardoso.

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Cardoso, W.B., Avelar, A.T. & de Almeida, N.G. Comparing the effects of atomic damping and velocity fluctuations upon transfer of quantum state in a bimodal cavity QED. Opt Quant Electron 49, 156 (2017). https://doi.org/10.1007/s11082-017-0989-4

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