THE CRITICAL-POINTS OF A GENERALIZED MIXED SPIN MODEL WITH FREE FERMION APPROXIMATION

Authors
Citation
Fg. Wang et al., THE CRITICAL-POINTS OF A GENERALIZED MIXED SPIN MODEL WITH FREE FERMION APPROXIMATION, Communications in Theoretical Physics, 22(2), 1994, pp. 145-150
Citations number
12
Categorie Soggetti
Physics
ISSN journal
02536102
Volume
22
Issue
2
Year of publication
1994
Pages
145 - 150
Database
ISI
SICI code
0253-6102(1994)22:2<145:TCOAGM>2.0.ZU;2-5
Abstract
A generalized mixed spin model with anisotropic interactions is consid ered on the union jack lattice. We find that the model is equivalent t o a free fermion model. The critical temperature is obtained. In speci al cases, we get the same results as exact solutions.