In search of smooth sandpiles: the Edwards-Wilkinson equation with flow
arXiv:cond-mat/9707183 · doi:10.1016/S0378-4371(97)00416-0
Abstract
The well-known Edwards-Wilkinson equation with a flow term added exhibits a smoothing fixed point in addition to the normal EW fixed point. Based on this, we present a model of sandpiles involving a coupling between fixed and mobile grains, which then shows the smoothing behaviour that would be expected to obtain after avalanche propagation.
arXiv comment10 pages (revtex), 10 ps figures. Submitted to Physica A