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Controlled Quantum State Transfer with Separate Measurements in Cavity QED

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Abstract

An experimental scheme on controlled quantum state transfer is proposed in cavity quantum electrodynamics (QED) without joint Bell-state measurement (BSM). A quantum state can be transferred perfectly with the help of the cooperation of the third side by constructing a three-atom GHZ entangled state as the controlled channel. This scheme is insensitive to the cavity decay and the thermal field. The probability of the success in our scheme is 1.0.

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Acknowledgements

This work is supported by Department of education of Heilongjiang Province Science and technology research projects under Grant No. 12511354.

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Authors and Affiliations

  1. College of Information Technology, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, 163319, China

    Zhimin Tong & Lihong Rong

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  1. Zhimin Tong
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  2. Lihong Rong
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Correspondence to Zhimin Tong.

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Tong, Z., Rong, L. Controlled Quantum State Transfer with Separate Measurements in Cavity QED. Int J Theor Phys 51, 3109–3112 (2012). https://doi.org/10.1007/s10773-012-1192-9

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  • DOI: https://doi.org/10.1007/s10773-012-1192-9

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