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

  • Regular Article - Statistical and Nonlinear Physics
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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.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: The paper contents are purely theoretical and did not need any data.]

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Author notes

  1. M. M. Latha

    Present address: Department of Physics, Women’s Christian College, Nagercoil, 629 001, India

Authors and Affiliations

  1. Department of Physics, Women’s Christian College, Nagercoil, 629 001, India

    A. Jarlet Jeyaseeli

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  1. A. Jarlet Jeyaseeli
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  2. M. M. Latha
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All authors have contributed equally to the paper.

Additional information

A. Jarlet Jeyaseeli: Affiliated to Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli - 627 012, Tamilnadu, India.

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Jeyaseeli, A.J., Latha, M.M. Intrinsic localized spin waves in an antiferromagnetic spin system with next nearest neighbour interactions. Eur. Phys. J. B 94, 220 (2021). https://doi.org/10.1140/epjb/s10051-021-00216-6

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