Quasiclassical approximation for models of spin-spin interaction on a one-dimensional lattice

Yu M. Vorob'ev, S. Yu Dobrokhotov, V. P. Maslov

Research output: Contribution to journalArticlepeer-review

Abstract

The one-dimensional anisotropic Heisenberg model in an external field is considered. For the corresponding energy operator with parameter[Figure not available: see fulltext.], the quasiclassical (h→0) spectral series are constructed using the method of the canonical operator. In the integrable case (in the absence of the external field) the results obtained coincide with the exact ones. © 1985 Plenum Publishing Corporation.
Original languageAmerican English
Pages (from-to)3297-3306
Number of pages10
JournalJournal of Soviet Mathematics
DOIs
StatePublished - 1 Dec 1985

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