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Entanglement Evolution of Two-Qubit States in the Presence of Local Decoherence

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Abstract

Using the factorization Law for entanglement decay derived by Konrad, T., et al.: Nature Phys. 4, 99 (2008), we investigate the one-side and two-side local decoherence effect on the dynamics of the two-qubit entangled states. Under the depolarizing channel and GAD channel with the nonzero temperature, we have found that any two-qubit states will experience ESD. Furthermore, we also investigate the entanglement dynamics under the non-Markovian case.

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Authors and Affiliations

  1. Department of Physics and Electronic Engineering, Hefei Normal University, Hefei, 230061, China

    Wei Song, Da-Chuang Li & Zhuo-Liang Cao

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  1. Wei Song
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  2. Da-Chuang Li
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  3. Zhuo-Liang Cao
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Correspondence to Wei Song.

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Song, W., Li, DC. & Cao, ZL. Entanglement Evolution of Two-Qubit States in the Presence of Local Decoherence. Int J Theor Phys 50, 833–837 (2011). https://doi.org/10.1007/s10773-010-0619-4

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  • DOI: https://doi.org/10.1007/s10773-010-0619-4

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