Magnetic Properties of the Random Mixture of Ising Spins

Autor:	Shigetoshi Katsura, Fumitaka Matsubara
Rok vydání:	1974
Předmět:	Physics Phase boundary Paramagnetism Phase transition Condensed matter physics Bethe lattice Lattice (order) General Physics and Astronomy Ising spin Binary number
Zdroj:	Canadian Journal of Physics. 52:120-130
ISSN:	1208-6045 0008-4204
DOI:	10.1139/p74-019
Popis:	A method of obtaining the magnetic properties of the random mixture of plural kinds of magnetic atoms (including nonmagnetic atoms) in both the site and the bond problems is presented. The specific heats and the susceptibilities of the one-dimensional binary mixture and the binary Bethe lattice are exactly given. The phase transitions of both the Bethe lattice and the ordinary two- and three-dimensional lattices are also discussed. It is shown that the phase boundary of an ordinary binary mixture in the site problem is rather similar to that in the bond problem when JAAJBB > 0 and JαJβ > 0, while they are quite different when JAAJBB αJβ xCr1−x)Sb is similar to the former and that for Co(SxSe1−x)2 is similar to the latter.
Databáze:	OpenAIRE
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