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Dynamical properties of the isotropic XY model

✍ Scribed by S. Katsura; T. Horiguchi; M. Suzuki


Publisher
Elsevier Science
Year
1970
Weight
893 KB
Volume
46
Category
Article
ISSN
0031-8914

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Explicit expressions are derived for the time correlations between x-and y-components of spins and their frequency-Fourier transforms in the one-dimensional XY-model in the hightemperature limit (/3 = 0). The results can be expressed as a linear combination of at most three Gaussians multiplied with