Low-dimensional quantum antiferromagnets: Criticality and series expansions at zero temperature

The theory of scaling for critical points occuring at zero temperature is described. One new exponent, z;-y, is required: this is positive if T is a relevant variable but negative if, as in the random-field Ising model for d>2, a transition for T>0 is controlled by a zero-temperature fixed point.

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Year of publication:	1990
Authors:	Fisher, Michael E.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 168.1990, 1, p. 22-22
Publisher:	Elsevier

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

Persistent link: https://www.econbiz.de/10011057412