Exact solution of a Z(4) gauge Potts model on planar lattices.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
; 60(5 Pt A): 5106-10, 1999 Nov.
Article
en En
| MEDLINE
| ID: mdl-11970376
The exact solution of a general Z(4) gauge Potts model with a single and double plaquette representation of the action is found on a subspace of gauge-coupling parameters on the square and triangular lattices. The two Ising-type critical lines of a second-order phase transition for the model on a square lattice are found. For the model on a triangular lattice the two critical surfaces of an Ising-type and two nontrivial lines of a second-order phase transition with different critical behavior than on the critical surfaces are found. It is shown that a two-dimensional (2D) general Z(4) gauge Potts model with single and double plaquette representation of the action and a 2D spin-3 / 2 Ising model belong to the same universality class.
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01-internacional
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MEDLINE
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En
Revista:
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
Asunto de la revista:
MEDICINA
Año:
1999
Tipo del documento:
Article
País de afiliación:
Armenia
Pais de publicación:
Estados Unidos