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Probing the entanglement distillability responses to the Unruh effect and prepared states

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Abstract

How the Unruh–Hawking effect and prepared states influence the entanglement distillability of a free Dirac field is investigated by using the Werner and Horodecki states. It is found that Werner and Horodecki states will be converted from distillable into the separate in the noninertial frame. The parameter \(\alpha \) of the generic entangled states has a different effect on Werner-like and Horodecki-like states. For the Werner-like states, although the parameter \(\alpha \) influences the entanglement, it does not change the range of the parameter \(F\) where the entanglement distillability of the Werner-like states is possible. For the Horodecki-like states, the parameter \(\alpha \) not only influences the entanglement but also changes the range of the parameter \(P\) where the entanglement distillability of Horodecki-like states can be achieved.

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Acknowledgments

This work was supported by the National Science Foundation of China under Grant Nos. 11074002 and 61275119, the Doctoral Foundation of the Ministry of Education of China under Grant No. 20103401110003, the Personal Development Foundation of Anhui Province (2008Z018), and also by the Natural Science Research Project of Education Department of Anhui Province of China under Grant No. KJ2013A205.

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Authors and Affiliations

  1. School of Physics and Material Science, Anhui University, Hefei, 230601, People’s Republic of China

    Wenchao Ma, Shuai Xu, Juan He, Jiadong Shi & Liu Ye

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  1. Wenchao Ma
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  2. Shuai Xu
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  3. Juan He
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  4. Jiadong Shi
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Correspondence to Liu Ye.

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Ma, W., Xu, S., He, J. et al. Probing the entanglement distillability responses to the Unruh effect and prepared states. Quantum Inf Process 14, 1411–1428 (2015). https://doi.org/10.1007/s11128-015-0936-x

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