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Microcanonical Analysis on a System with Long-Range Interactions

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Abstract

We study a long-range interacting spin chain placed in a staggered magnetic field using microcanonical approach and obtain the global phase diagram. We find that this model exhibits both first order phase transition and second order phase transition separated by a tricritical point, and temperature jump can be observed in the first order phase transition.

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Acknowledgments

This work was jointly supported by the National Natural Science Foundation of China under Grant 11304037, the Natural Science Foundation of Jiangsu Province, China under Grant BK20130604, the Ph.D. Programs Foundation of Ministry of Education of China under Grant 20130092120041, the Technology Foundation for Selected Overseas Chinese Scholar, Ministry of Personnel of China under Grant 7907020002.

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Authors and Affiliations

  1. Department of Physics, Southeast University, Nanjing, 211189, China

    Ji-Xuan Hou, Xu-Chen Yu & Jing-Min Hou

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  1. Ji-Xuan Hou
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  2. Xu-Chen Yu
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  3. Jing-Min Hou
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Correspondence to Ji-Xuan Hou.

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Hou, JX., Yu, XC. & Hou, JM. Microcanonical Analysis on a System with Long-Range Interactions. Int J Theor Phys 55, 3923–3926 (2016). https://doi.org/10.1007/s10773-016-3021-z

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  • DOI: https://doi.org/10.1007/s10773-016-3021-z

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