Response functions of gapped spin systems in high magnetic field
Strongly Correlated Electrons
2009-11-07 v1 Materials Science
Abstract
We study the dynamical structure factor of gapped one-dimensional spin systems in the critical phase in high magnetic field. It is shown that the presence of a ``condensate'' in the ground state in the high-field phase leads to interesting signatures in the response functions.
Keywords
Cite
@article{arxiv.cond-mat/0202171,
title = {Response functions of gapped spin systems in high magnetic field},
author = {A. K. Kolezhuk and H. -J. Mikeska},
journal= {arXiv preprint arXiv:cond-mat/0202171},
year = {2009}
}
Comments
uses ptptex.sty (included), 10 pages, 3 figs, to appear in Prog. Theor. Phys. Suppl. (Proc. of the 16th Nishinomiya Yukawa Memorial Symposium)