Soliton dynamics in 1D quantum antiferromagnets
Condensed Matter
2007-05-23 v1
Abstract
The problem of dissipative motion of solitons in the case of tetramethyl ammonium manganese chloride (TMMC) is studied as a function of the external magnetic field and the temperature. Two specific situations are analyzed separately; the first, above the transition temperature , in which the classical motion of the spin degree of freedom is described by a sine-Gordon (SG) equation of motion and, the second, below , in which the system is described by a double sine-Gordon (2SG) equation of motion. The existence of a dissipative regime for the soliton motion and its influence on the dynamical structure factor -which might be experimentally detected- are reported.
Cite
@article{arxiv.cond-mat/0005474,
title = {Soliton dynamics in 1D quantum antiferromagnets},
author = {A. Villares Ferrer and A. O. Caldeira and A. S. T. Pires},
journal= {arXiv preprint arXiv:cond-mat/0005474},
year = {2007}
}
Comments
8 pages, 4 figures