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Control of the Entanglement Between Two Atoms Trapped in Spatially Separated Cavities Connected by an Optical Fiber

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Abstract

We investigate the dynamics of entanglement by means of concurrence for the case of two atoms which are trapped in spatially separated cavities connected by an optical fiber. It is shown that the phenomenon of sudden birth of entanglement occurs under some certain conditions. Moreover, it is found that the entanglement between two atoms can be controlled and manipulated by changing cavity-fiber coupling strength and the amplitude of the atom.

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Authors and Affiliations

  1. Department of Physics, Harbin Institute of Technology, Harbin, 150001, China

    Qing-Hong Liao, Guang-Yu Fang, Ji-Cheng Wang, Yue-Yuan Wang & Shu-Tian Liu

  2. Department of Physics, COMSATS Institute of Information Technology, Lahore, 54000, Pakistan

    Muhammad Ashfaq Ahmad

Authors
  1. Qing-Hong Liao
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  2. Guang-Yu Fang
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  3. Ji-Cheng Wang
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  4. Yue-Yuan Wang
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  5. Muhammad Ashfaq Ahmad
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  6. Shu-Tian Liu
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Corresponding author

Correspondence to Shu-Tian Liu.

Additional information

Project supported by the National Basic Research Program of China (grant no. 2011CB301801) and the National Natural Science Foundation of China (grants 10974039).

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Liao, QH., Fang, GY., Wang, JC. et al. Control of the Entanglement Between Two Atoms Trapped in Spatially Separated Cavities Connected by an Optical Fiber. Int J Theor Phys 50, 2622–2629 (2011). https://doi.org/10.1007/s10773-011-0758-2

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  • DOI: https://doi.org/10.1007/s10773-011-0758-2

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