Specific heats of classical spin systems and inhomogeneous differential approximants
- 1 October 1981
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 14 (10), 2553-2566
- https://doi.org/10.1088/0305-4470/14/10/011
Abstract
Derives accurate compact expressions for the high-temperature specific heats of classical (S= infinity , 3-vector) spin systems on FCC, BCC and SC lattices for pure Heisenberg, XY and Ising-like couplings, respectively. The analysis of the appropriate series expansions demonstrates the utility of inhomogeneous differential approximants and supports the estimate alpha H=-0.21+or-0.04.Keywords
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