Spin Dynamics in Pyrochlore Heisenberg Antiferromagnets
Strongly Correlated Electrons
2009-06-16 v1 Statistical Mechanics
Abstract
We study the low temperature dynamics of the classical Heisenberg antiferromagnet with nearest neighbour interactions on the pyrochlore lattice. We present extensive results for the wavevector and frequency dependence of the dynamical structure factor, obtained from simulations of the precessional dynamics. We also construct a solvable stochastic model for dynamics with conserved magnetisation, which accurately reproduces most features of the precessional results. Spin correlations relax at a rate independent of wavevector and proportional to temperature.
Cite
@article{arxiv.0904.1541,
title = {Spin Dynamics in Pyrochlore Heisenberg Antiferromagnets},
author = {P. H. Conlon and J. T. Chalker},
journal= {arXiv preprint arXiv:0904.1541},
year = {2009}
}
Comments
4 pages, 4 figures, submitted to PRL