Exact thermodynamic behavior of a generalized spin-isospin ising system on the Bethe lattice

Papatriantafillou, C; Paraskevaidis, CE; Krikos, C; Panagopoulos, P

dc.contributor.author	Papatriantafillou, C	en
dc.contributor.author	Paraskevaidis, CE	en
dc.contributor.author	Krikos, C	en
dc.contributor.author	Panagopoulos, P	en
dc.date.accessioned	2014-03-01T01:07:28Z
dc.date.available	2014-03-01T01:07:28Z
dc.date.issued	1989	en
dc.identifier.issn	00224715	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/10001
dc.subject	Bethe	en
dc.subject	binary alloy	en
dc.subject	Ising	en
dc.title	Exact thermodynamic behavior of a generalized spin-isospin ising system on the Bethe lattice	en
heal.type	journalArticle	en
heal.identifier.primary	10.1007/BF01023478	en
heal.identifier.secondary	http://dx.doi.org/10.1007/BF01023478	en
heal.publicationDate	1989	en
heal.abstract	We study a generalized Ising system consisting of a Bethe lattice on every site of which two spin-1/2 and two isospin-1/2 (or atomic species A) states can be realized, the spin-species interacting with appropriate nearest neighbor couplings. The system is equivalent to that of four states per site and we obtain its exact thermodynamic behavior. The case of a fixed concentration of species is the annealed or liquid magnetic binary alloy. The temperature dependence of the short-range-order (SRO) parameter of such systems is obtained as an application of the theory and discussed in connection with relevant material from the literature. When fixing both the concentration and the nearest neighbor spatial correlation of the species, we obtain Eggarter's formulas for the ""frozen-in"" species problem, which therefore are only approximately valid even on the Bethe lattice. © 1989 Plenum Publishing Corporation.	en
heal.publisher	Kluwer Academic Publishers-Plenum Publishers	en
heal.journalName	Journal of Statistical Physics	en
dc.identifier.doi	10.1007/BF01023478	en
dc.identifier.volume	54	en
dc.identifier.issue	1-2	en
dc.identifier.spage	191	en
dc.identifier.epage	200	en