Comment on "magnons and solitons in a spin-1 antiferromagnetic heisenberg-ising ring"

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I claim that the results presented by Betsuyaku to prove Haldane's conjecture about the difference in the behavior of integer and half-integer spin models, are not convincing. The "specific heat" has similar behavior for the S=1, 32, 2, and 52 cases. The soliton gap seems to vanish over an extended range of anisotropies and not just at a single value.

Original languageEnglish
Pages (from-to)11920-11922
Number of pages3
JournalPhysical Review B
Issue number16
Publication statusPublished - Jan 1 1988


ASJC Scopus subject areas

  • Condensed Matter Physics

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