Series expansions for a generalized XY hamiltonian

R. Dekeyser and J. Rogiers

Physica A: Statistical Mechanics and its Applications, 1975, vol. 81, issue 1, 72-92

Abstract: Series expansions are derived for the free energy and the fluctuations of a generalized hamiltonian. These series are analysed in the special case of the XY hamiltonian on an f.c.c. lattice in an external parallel magnetic field. The critical indices seem to be independent of the field.

Date: 1975
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:81:y:1975:i:1:p:72-92

DOI: 10.1016/0378-4371(75)90037-0

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