ISSN:
1572-9613
Keywords:
Ising spins
;
finite-width strips
;
first-order phase transition
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The field-temperature phase diagram of a two-dimensional, three-spin interaction Ising model is studied using two different methods: mean field approximation and numerical transfer matrix techniques. The former leads to a rather rich phase diagram in which two separate phases with different symmetries can be found, and which presents first-order transition lines, a triple point, and a critical end point, like the solid-liquid-gas phase diagram of a pure compound. The numerical transfer matrix study confirms part of these results, but does not clearly evidence the existence of the less symmetric phase.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01033081
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