Spontaneous dimerization in the S=12 Heisenberg antiferromagnetic chain with competing interactions

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Abstract

Spontaneous dimerization is found in the S=12 isotropic Heisenberg antiferromagnetic chain with competing nearest- and next-nearest-neighbor exchange, J2J116, and results from the same umklapp processes that lead to the Néel state when easy-axis exchange anisotropy is present. Spontaneous and externally induced dimerizations are contrasted.

Original languageEnglish (US)
Pages (from-to)4925-4928
Number of pages4
JournalPhysical Review B
Volume25
Issue number7
DOIs
StatePublished - Jan 1 1982
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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