Infinite susceptibility at high temperatures in the Migdal-Kadanoff scheme
- 1 May 1982
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 15 (5) , L239-L242
- https://doi.org/10.1088/0305-4470/15/5/005
Abstract
The Migdal-Kadanoff real-space renormalisation group scheme applied to the Ising and classical XY (and probably other) ferromagnetic models yields an infinite susceptibility at all temperatures above the critical temperature for a hypercubic lattice of dimension d>or=2.Keywords
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