Statistical mechanics of a spin-one Ising model on a Bethe lattice
作者： K.G. Chakraborty , J.W. Tucker
DOI: 10.1016/0378-4371(86)90067-1
关键词: Condensed matter physics 、 Curie–Weiss law 、 Bethe lattice 、 Square-lattice Ising model 、 Curie temperature 、 Ising model 、 Magnetization 、 Spin-½ 、 Physics 、 Moment (mathematics)
摘要: Abstract Exact expressions for the Curie temperature, magnetization, quadrupolar moment and susceptibility of a spin-one Ising model on Bethe lattice are derived. Biquadratic exchange single-ion anisotropy included, in addition to bilinear interactions. The variation critical temperature with relative strengths these interactions is studied. magnetization compared, where possible, those previously reported systems lattice. equivalence our results obtained by generalized constant-coupling approximation applied regular demonstrated. curves thermal studied depth range interaction parameters unusual features appear because presence an anti-Curie temperature. zero field also this region.
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