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Controlling Thermal Entanglement in a Three-qubit Spin System

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Abstract

In this paper, thermal entanglement in three-qubit spin system has been addressed. The results show that spin-spin exchange interaction, the effective external magnetic field, next-nearest-neighbouring interaction have notable effects on the time evolution of the state and thermal entanglement So we can control thermal entanglement by changing the above parameters.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grant No.61402099)

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Authors and Affiliations

  1. School of Computer and Information Technology, Northeast Petroleum University, Daqing, Heilongjiang, 163318, China

    Jianping Li

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  1. Jianping Li
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Correspondence to Jianping Li.

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Li, J. Controlling Thermal Entanglement in a Three-qubit Spin System. Int J Theor Phys 55, 5344–5347 (2016). https://doi.org/10.1007/s10773-016-3154-0

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  • DOI: https://doi.org/10.1007/s10773-016-3154-0

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