Staggered ice-rule vertex model on the Kagome lattice
- 1 December 1975
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 8 (12) , 1899-1919
- https://doi.org/10.1088/0305-4470/8/12/008
Abstract
The most general Pfaffian solution of the staggered ice-rule vertex model on the Kagome lattice is given. It is shown that this model may exhibit up to three phase transitions. The specific heat diverges with an exponent 1/2 either above or below each transition temperature. The exact isotherm for an antiferroelectric model in both staggered and direct fields at a particular temperature is obtained. As the fields vary, the system undergoes transitions among states of zero, partial and complete direct polarization.Keywords
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