Anomalous glassy relaxation near the isotropic-nematic phase transition
Soft Condensed Matter
2009-11-11 v1 Statistical Mechanics
Abstract
Dynamical heterogeneity in a system of Gay-Berne ellipsoids near its isotropic-nematic (I-N) transition and also in an equimolar mixture of Lennard-Jones spheres and Gay-Berne ellipsoids in deeply supercooled regime is probed by the time evolution of non-Gaussian parameter (NGP). The appearance of a dominant second peak in the rotational NGP near the I-N transition signals the growth of pseudonematic domains. Surprisingly such a second peak is instead observed in the translational NGP for glassy binary mixture. Localization of orientational motion near the I-N transition is found to be responsible for the observed anomalous orientational relaxation.
Keywords
Cite
@article{arxiv.cond-mat/0508055,
title = {Anomalous glassy relaxation near the isotropic-nematic phase transition},
author = {Prasanth P. Jose and Dwaipayan Chakrabarti and Biman Bagchi},
journal= {arXiv preprint arXiv:cond-mat/0508055},
year = {2009}
}
Comments
4 pages, 4 figures