Doping effects in low dimensional antiferromagnets
Strongly Correlated Electrons
2009-11-11 v1 Superconductivity
Abstract
The study of impurities in low dimensional antiferromagnets has been a very active field in magnetism ever since the discovery of high temperature superconductivity. One of the most dramatic effects is the appearance of large Knight shifts in a long range around non-magnetic impurities in an antiferromagnetic background. The dependence of the Knight shifts on distance and temperature visualizes the correlations in the system. In this work we present the results for Knight shifts around a single vacancy in the one and two dimensional Heisenberg model.
Keywords
Cite
@article{arxiv.cond-mat/0604001,
title = {Doping effects in low dimensional antiferromagnets},
author = {Sebastian Eggert and Fabrizio Anfuso},
journal= {arXiv preprint arXiv:cond-mat/0604001},
year = {2009}
}
Comments
4 pages, 7 figures. The latest version can be found at http://www.physik.uni-kl.de/eggert/papers/law3m.pdf