High-temperature properties of the Ising model on the cristobalite lattice
- 15 April 1968
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 46 (8) , 971-975
- https://doi.org/10.1139/p68-124
Abstract
The high-temperature properties of the Ising model on the cristobalite lattice are investigated by series expansion methods. The Curie temperature is found to be vl = tanh J/kTl = 0.2330 ± 0.003, the amplitude of the singularity in the susceptibility is Γ = 1.100 ± 0.001, the critical energy is −Ec/kTc = 0.268 ± 0.006, and the critical entropy is Sc/k = 0.548 ± 0.003. A comparison of critical parameters for the cristobalite and simple cubic lattices allows one to see the effect of structure for two lattices of the same coordination number.Keywords
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