Triangular lattice gas

C. E. Campbell, M. Schick

Research output: Contribution to journalArticlepeer-review

54 Scopus citations


The planar triangular lattice gas with repulsive nearest-neighbor and attractive second-nearest-neighbor interactions is solved in the Bethe-Peierls approximation. The maximum temperature of transition between disordered and ordered phases occurs at a density of one-third. All transitions are first order with a discontinuity in the order parameter at the transition. Deficiencies in the approximation are noted and discussed.

Original languageEnglish (US)
Pages (from-to)1919-1925
Number of pages7
JournalPhysical Review A
Issue number4
StatePublished - Jan 1 1972


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