FERROMAGNETIC ISING MODEL;
NUMBER OF CLUSTERS;
TEMPERATURE DEPENDENCE;
D O I:
10.1007/BF01029211
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
The random variable number of cluster defined on the configurations of a ferromagnetic Ising model at zero field and inverse temperature beta on a graph G is considered. The Gibbs average at beta = 0 is proved to be greater than the one at beta > 0 if the degree of G is not greater than 3.
机构:
Univ Free State, Dept Chem, POB 339, ZA-9300 Bloemfontein, South Africa
Univ Maroua, Dept Phys, Fac Sci, POB 46, Maroua, CameroonUniv Free State, Dept Chem, POB 339, ZA-9300 Bloemfontein, South Africa