Time- and frequency-dependent correlation functions for the homogeneous and alternating-isotropic XY-models

J.H.H. Perk and H.W. Capel

Physica A: Statistical Mechanics and its Applications, 1980, vol. 100, issue 1, 1-23

Abstract: Explicit expressions are derived for the time correlations between x- and y-components of spin and their frequency-Fourier transforms in the one-dimensional XY-model in the high-temperature limit (β = 0). The results can be expressed as a linear combination of at most three Gaussians multiplied with (quasi) periodic Jacobian theta functions.

Date: 1980
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:100:y:1980:i:1:p:1-23

DOI: 10.1016/0378-4371(80)90147-8

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