An Exact Solution to A Spin-1 Chain Model

Martin Long, S Siak

Research output: Contribution to journalArticle

5 Citations (Scopus)


We present a new class of exactly solvable spin models. The solutions involve broken translational symmetry, in contrast to the Haldane gap, and constitute a new type of ground state for a spin-one chain. The models have ground states with precipitously short-range spin correlations and exhibit gaps to solitonic spin excitations. We construct a solvable model for each value of the total spin of the underlying atoms, with the solution corresponding to the natural generalization to the Majumdar-Ghosh state, of 'dimer' pairing, to larger spin magnitudes.
Original languageEnglish
Pages (from-to)5811-5828
Number of pages18
JournalJournal of Physics: Condensed Matter
Issue number32
Publication statusPublished - 9 Aug 1993


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