Jamming Mechanisms and Density Dependence in a Kinetically-Constrained Model Export

@article{citeulike:5724399, abstract = {We generalize a kinetically-constrained lattice-gas model to explore the jamming phase-diagram of the system as a function of density, temperature and non-equilibrium driving. We add temperature and driving to the recently-proposed spiral model which jams at a critical density smaller than 1. In this way we can access unjamming by temperature or driving at densities above the critical density. We numerically calculate the relaxation time of the persistence function and its spatial heterogeneity. We manage to disentangle the relaxation mechanisms responsible for unjamming along different paths in the phase diagram and show that the spatial scale of dynamic heterogeneities is much more strongly dependent on density than on temperature and driving.}, archivePrefix = {arXiv}, author = {Shokef, Yair and Liu, Andrea J.}, citeulike-article-id = {5724399}, citeulike-linkout-0 = {http://arxiv.org/abs/0909.0740}, citeulike-linkout-1 = {http://arxiv.org/pdf/0909.0740}, day = {3}, eprint = {0909.0740}, keywords = {glasses, kcm}, month = {Sep}, posted-at = {2009-09-04 19:53:11}, priority = {2}, title = {Jamming Mechanisms and Density Dependence in a Kinetically-Constrained Model}, url = {http://arxiv.org/abs/0909.0740}, year = {2009} }

TY - JOUR ID - citeulike:5724399 L3 - citeulike-article-id:5724399 N2 - We generalize a kinetically-constrained lattice-gas model to explore the jamming phase-diagram of the system as a function of density, temperature and non-equilibrium driving. We add temperature and driving to the recently-proposed spiral model which jams at a critical density smaller than 1. In this way we can access unjamming by temperature or driving at densities above the critical density. We numerically calculate the relaxation time of the persistence function and its spatial heterogeneity. We manage to disentangle the relaxation mechanisms responsible for unjamming along different paths in the phase diagram and show that the spatial scale of dynamic heterogeneities is much more strongly dependent on density than on temperature and driving. TI - Jamming Mechanisms and Density Dependence in a Kinetically-Constrained Model KW - glasses KW - kcm AU - Shokef, Yair AU - Liu, Andrea PY - 2009/Sep/03/ UR - http://arxiv.org/abs/0909.0740 ER -