Magnetic order and moment distribution in doped spin-chain systems
Strongly Correlated Electrons
2015-06-25 v1
Abstract
We consider the effect of doping on the magnetic order in quasi one-dimensional (1D) antiferromagnets. First the detailed magnetic response of finite spin-1/2 chains in the presence of a staggered field is determined, which by itself shows an interesting crossover as function of length and field strength. We can then understand the ordering by including an effective coupling between the chains, which results in a Neel ordered phase at low temperatures, but with a broad distribution of magnetic moments that has to be determined self-consistently.
Cite
@article{arxiv.cond-mat/0509001,
title = {Magnetic order and moment distribution in doped spin-chain systems},
author = {Sebastian Eggert and Ian Affleck},
journal= {arXiv preprint arXiv:cond-mat/0509001},
year = {2015}
}
Comments
2 pages, 1 figure. Latest pdf-file is available at http://www.physik.uni-kl.de/eggert/papers/magorder.pdf