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

Michael E. Fisher

Physica A: Statistical Mechanics and its Applications, 1990, vol. 168, issue 1, 22-22

Abstract: 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.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:168:y:1990:i:1:p:22-22

DOI: 10.1016/0378-4371(90)90355-V

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