Solitons in the linear-chain antiferromagnet

Kok-Ming Leung, Daniel W. Hone, D. L. Mills, P. S. Riseborough, S. E. Trullinger

    Research output: Contribution to journalArticle

    Abstract

    We show that in quasi-one-dimensional antiferromagnets, sine-Gordon solitons should be present as thermal excitations under a range of conditions outlined here. For a class of model spin Hamiltonians which include the influence of a transverse Zeeman field and easy-plane anisotropy, we provide explanations for the soliton rest energy, and its limiting velocity. Also, we examine the statistical mechanics of these systems with emphasis on the form of the soliton contribution to the free energy.

    Original languageEnglish (US)
    Pages (from-to)4017-4026
    Number of pages10
    JournalPhysical Review B
    Volume21
    Issue number9
    DOIs
    StatePublished - 1980

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    Solitons
    solitary waves
    Hamiltonians
    Statistical mechanics
    statistical mechanics
    Free energy
    Anisotropy
    free energy
    anisotropy
    excitation
    energy

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Leung, K-M., Hone, D. W., Mills, D. L., Riseborough, P. S., & Trullinger, S. E. (1980). Solitons in the linear-chain antiferromagnet. Physical Review B, 21(9), 4017-4026. https://doi.org/10.1103/PhysRevB.21.4017

    Solitons in the linear-chain antiferromagnet. / Leung, Kok-Ming; Hone, Daniel W.; Mills, D. L.; Riseborough, P. S.; Trullinger, S. E.

    In: Physical Review B, Vol. 21, No. 9, 1980, p. 4017-4026.

    Research output: Contribution to journalArticle

    Leung, K-M, Hone, DW, Mills, DL, Riseborough, PS & Trullinger, SE 1980, 'Solitons in the linear-chain antiferromagnet', Physical Review B, vol. 21, no. 9, pp. 4017-4026. https://doi.org/10.1103/PhysRevB.21.4017
    Leung K-M, Hone DW, Mills DL, Riseborough PS, Trullinger SE. Solitons in the linear-chain antiferromagnet. Physical Review B. 1980;21(9):4017-4026. https://doi.org/10.1103/PhysRevB.21.4017
    Leung, Kok-Ming ; Hone, Daniel W. ; Mills, D. L. ; Riseborough, P. S. ; Trullinger, S. E. / Solitons in the linear-chain antiferromagnet. In: Physical Review B. 1980 ; Vol. 21, No. 9. pp. 4017-4026.
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