Two one-dimensional Ising models with disorder points
- 15 July 1970
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 48 (14) , 1724-1734
- https://doi.org/10.1139/p70-217
Abstract
Pair correlations on two one-dimensional Ising models with next-nearest-neighbor interactions are calculated exactly. For an appropriate range of values of the interaction energies, each of these models exhibits a disorder point, at which the nature of the short-range order changes abruptly, and at which there is a cusp in the graph of range of order vs. temperature. The zero-field susceptibilities are calculated exactly, and are found to have quite smooth temperature dependence.Keywords
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