Langevin dynamics of the Coulomb frustrated ferromagnet: a mode-coupling analysis
Abstract
We study the Langevin dynamics of the soft-spin, continuum version of the Coulomb frustrated Ising ferromagnet. By using the dynamical mode-coupling approximation, supplemented by reasonable approximations for describing the equilibrium static correlation function, and the somewhat improved dynamical self-consistent screening approximation, we find that the system displays a transition from an ergodic to a non-ergodic behavior. This transition is similar to that obtained in the idealized mode-coupling theory of glassforming liquids and in the mean-field generalized spin glasses with one-step replica symmetry breaking. The significance of this result and the relation to the appearance of a complex free-energy landscape are also discussed.
Keywords
Cite
@article{arxiv.cond-mat/0204633,
title = {Langevin dynamics of the Coulomb frustrated ferromagnet: a mode-coupling analysis},
author = {M. Grousson and V. Krakoviack and G. Tarjus and P. Viot},
journal= {arXiv preprint arXiv:cond-mat/0204633},
year = {2009}
}
Comments
13 pages, 11 figures, submitted to Phys. Rev. E