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Intrinsic localized spin waves in an antiferromagnetic spin system with next nearest neighbour interactions

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  • A. Jarlet Jeyaseeli

    (Women’s Christian College)

  • M. M. Latha

    (Women’s Christian College)

Abstract

This paper deals with spin deviation vs site number in an antiferromagnet with next nearest neighbour interactions along with bilinear, anisotropic, and Dzyaloshinski–Moriya (D–M) interactions. The nature of propagation of spin waves for different parametric choices is studied. By introducing Holstein–Primakoff representation of spin operators, we obtain a set of coupled partial differential equations. The equations are then analysed using sine–cosine function method and the results show that the spin wave propagates in the form of soliton.

Suggested Citation

  • A. Jarlet Jeyaseeli & M. M. Latha, 2021. "Intrinsic localized spin waves in an antiferromagnetic spin system with next nearest neighbour interactions," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 94(11), pages 1-12, November.
    • Handle: RePEc:spr:eurphb:v:94:y:2021:i:11:d:10.1140_epjb_s10051-021-00216-6
    DOI: 10.1140/epjb/s10051-021-00216-6
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    References listed on IDEAS

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    1. Anitha, T. & Latha, M.M. & Vasanthi, C. Christal, 2014. "Dromions in (2+1) dimensional ferromagnetic spin chain with bilinear and biquadratic interactions," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 415(C), pages 105-115.
    2. M. Bortz & F. Göhmann, 2005. "Exact thermodynamic limit of short-range correlation functions of the antiferromagnetic XXZ-chain at finite temperatures," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 46(3), pages 399-408, August.
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