Ising antiferromagnet with mobile, pinned and quenched defects
W. Selke, M. Holtschneider, R. Leidl
Abstract
Motivated by recent experiments on (Sr,Ca,La)14 Cu24 O41, a two-dimensional Ising antiferromagnet with mobile, locally pinned and quenched defects is introduced and analysed using mainly Monte Carlo techniques. The interplay between the arrangement of the defects and the magnetic ordering as well as the effect of an external field are studied.
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