Time-dependent xx-correlation functions in the one-dimensional XY-model

The structure of the time-dependent xx-correlation functions of the one-dimensional XY-model is investigated in some detail on the basis of an extension of the thermodynamic Wick theorem. The results amount to a generalization of a rigorous result for the autocorrelation function of the x-component of the magnetization obtained in a previous paper.

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Year of publication:	1977
Authors:	Perk, J.H.H. ; Capel, H.W.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 89.1977, 2, p. 265-303
Publisher:	Elsevier

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010873573