Computer simulations of SU(N)SU(N) spin systems in two dimensions

J. Kogut, M. Snow, Michael Stone

Research output: Contribution to journalArticle

Abstract

SU(N)SU(N) spin systems in two dimensions are studied for N=2,3,and4 on 10×10, 20×20, and 30×30 lattices with use of Monte Carlo methods. Variant forms of the action are considered. In addition to crossover phenomena, unexpected first-order transitions in multidimensional phase diagrams are discovered. These transitions are related to the presence of ZN vortices which experience short-range interactions. Contrasts with SU(N) gauge theories in four dimensions are drawn.

Original languageEnglish (US)
Pages (from-to)1767-1770
Number of pages4
JournalPhysical review letters
Volume47
Issue number25
DOIs
StatePublished - Jan 1 1981

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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