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Effect of Dzialoshinski-Moriya interaction on thermal entanglement of a mixed-spin chain

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Abstract

The effect of Dzialoshinski-Moriya (DM) interaction on thermal entanglement of a mixed-spin chain in an external magnetic field is investigated. It is found that DM interaction may enhance quantum thermal entanglement to a maximal value even though the magnetic field plays a positive role in shrinking thermal entanglement in the mixed-spin chain. Furthermore, the effect of inhomogeneity of the magnetic field on quantum entanglement is analyzed. Our analysis will shed some light on the understanding of the effect of the DM interaction on thermal entanglement of a mixed-spin chain.

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Authors and Affiliations

  1. School of Electric Engineering and Information, Anhui University of Technology, Ma’anshan, 243002, China

    XiaoSan Ma, JiaYan Zhang & HongShou Cong

  2. Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China

    AnMin Wang

Authors
  1. XiaoSan Ma
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  2. JiaYan Zhang
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  3. HongShou Cong
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  4. AnMin Wang
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Corresponding author

Correspondence to XiaoSan Ma.

Additional information

Supported by the National Natural Science Foundation of China (Grant No. 60573008) and Anhui Foundation for Young Teachers (Grant No. 2008jq1025zd)

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Ma, X., Zhang, J., Cong, H. et al. Effect of Dzialoshinski-Moriya interaction on thermal entanglement of a mixed-spin chain. Sci. China Ser. G-Phys. Mech. Astron. 51, 1897–1904 (2008). https://doi.org/10.1007/s11433-008-0191-6

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  • DOI: https://doi.org/10.1007/s11433-008-0191-6

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