High-temperature series for S=1/2 with anisotropic exchange
- 1 January 1976
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 9 (1) , 105-112
- https://doi.org/10.1088/0305-4470/9/1/016
Abstract
For the nearest-neighbour S=1/2 Hamiltonian the expansion for the logarithm of the partition function is calculated. It is shown that from the zero-field coefficients, the corresponding series for the more general Hamiltonian can be calculated up to a certain maximum order. This maximum order depends on the topology of the lattice.Keywords
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