Tailoring symmetry groups using external alternate fields
Statistical Mechanics
2009-11-07 v3 Soft Condensed Matter
Abstract
Macroscopic systems with continuous symmetries subjected to oscillatory fields have phases and transitions that are qualitatively different from their equilibrium ones. Depending on the amplitude and frequency of the fields applied, Heisenberg ferromagnets can become XY or Ising-like -or, conversely, anisotropies can be compensated -thus changing the nature of the ordered phase and the topology of defects. The phenomena can be viewed as a dynamic form of "order by disorder".
Cite
@article{arxiv.cond-mat/0209231,
title = {Tailoring symmetry groups using external alternate fields},
author = {I. Junier and J. Kurchan},
journal= {arXiv preprint arXiv:cond-mat/0209231},
year = {2009}
}
Comments
4 pages, 2 figures finite dimension and selection mechanism clarified