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Quantum Information Splitting of an Arbitrary Two-Atom State by Using a Genuinely Entangled Five-Atom State in Cavity QED

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Abstract

We demonstrate that a genuinely entangled five-atom state can be used to realize the deterministic quantum information splitting of an arbitrary two-atom state in cavity QED. The scheme does not involve Bell-state measurement and is insensitive to both the cavity decay and the thermal field. The presented protocol is showed to be secure against certain eavesdropping attacks.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (Grant No. 60807014), the Natural Science Foundation of Jiangxi Province, China (Grant No. 2009GZW0005), the Research Foundation of state key laboratory of advanced optical communication systems and networks, Shanghai Jiao Tong University, China, and the Research Foundation of the Education Department of Jiangxi Province (Grant No. GJJ09153).

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Authors and Affiliations

  1. Department of Physics, Jiangxi Normal University, Nanchang, 330022, China

    Yuan-hua Li & Yi-you Nie

  2. State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai, 200240, China

    Yi-you Nie

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  1. Yuan-hua Li
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  2. Yi-you Nie
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Correspondence to Yi-you Nie.

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Li, Yh., Nie, Yy. Quantum Information Splitting of an Arbitrary Two-Atom State by Using a Genuinely Entangled Five-Atom State in Cavity QED. Int J Theor Phys 51, 1806–1811 (2012). https://doi.org/10.1007/s10773-011-1058-6

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  • DOI: https://doi.org/10.1007/s10773-011-1058-6

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