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The effects of KSEA interaction on the ground-state properties of spin chains in a transverse field

Author

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  • Hao Fu

    (Nanjing Normal University)

  • Ming Zhong

    (Nanjing Normal University)

  • Peiqing Tong

    (Nanjing Normal University
    Jiangsu Key Laboratory for Numerical Simulation of Large Scale Complex Systems, Nanjing Normal University)

Abstract

The effects of symmetric helical interaction which is called the Kaplan, Shekhtman, Entin-Wohlman, and Aharony (KSEA) interaction on the ground-state properties of three kinds of spin chains in a transverse field have been studied by means of correlation functions and chiral order parameter. We find that the anisotropic transition of XY chain in a transverse field (XY TF) disappears because of the KSEA interaction. For the other two chains, we find that the regions of gapless chiral phases in the parameter space induced by the Dzyaloshinskii and Moriya (DM) or XZY − Y ZX type of three-site interaction are decreased gradually with increase of the strength of KSEA interaction. When it is larger than the coefficient of DM or XZY − Y ZX type of three-site interaction, the gapless chiral phases also disappear. Graphical abstract

Suggested Citation

  • Hao Fu & Ming Zhong & Peiqing Tong, 2020. "The effects of KSEA interaction on the ground-state properties of spin chains in a transverse field," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 93(5), pages 1-7, May.
    • Handle: RePEc:spr:eurphb:v:93:y:2020:i:5:d:10.1140_epjb_e2020-100542-1
    DOI: 10.1140/epjb/e2020-100542-1
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    Solid State and Materials;

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