Random loose packing and an order parameter for the parking lot model

Details Random loose packing and an order parameter for the parking lot model Random loose packing and an order parameter for the parking lot model

2010-05-25

arxiv.org/abs/1005.4615v1

Physics

Condensed Matter

Soft Condensed Matter

6 pages, 4 figures

Scientific paper

We have obtained the random loose packing fraction of the parking lot model (PLM) by taking the limit of infinite compactivity in the two-variable statistical description of Tarjus and Viot for the PLM. The PLM is a stochastic model of adsorption and desorption of particles on a substrate that have been used as a model for compaction of granular materials. An order parameter $\rho$ is introduced to characterize how far from a steady state situation the model is. Thus, configurations with $\rho<1$ age. We propose that $\rho$ can be a starting point in order to stablish a connection between Edwards' statistical mechanics and granular hydrodynamics.

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