Ising antiferromagnet with mobile, pinned, and quenched defects
Selke, W., Holtschneider, M., Leidl, R.
Institut für Theoretische Physik, Technische Hochschule Aachen,
D-52056 Aachen, Germany
Motivated by recent experiments on
(Sr,Ca,La)14 Ca9 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.