Additional Evidence for a Phase Transition in the Plane-Rotator and Classical Heisenberg Models for Two-Dimensional Lattices
- 13 October 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 23 (15) , 861-863
- https://doi.org/10.1103/physrevlett.23.861
Abstract
High-temperature series expansions of the spin-spin correlation functions of the planerotator and classical Heisenberg models have been obtained to order on the triangular lattice. An analysis of the moment series provides good evidence for a phase transition.
Keywords
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