An Interface View of Directed Sandpile Dynamics

Details An Interface View of Directed Sandpile Dynamics An Interface View of Directed Sandpile Dynamics

2001-03-31

arxiv.org/abs/cond-mat/0104001v1

Phys. Rev. E 65, 031309 (2002)

Physics

Condensed Matter

Statistical Mechanics

4 pages including 5 figures

Scientific paper

10.1103/PhysRevE.65.031309

We present a directed unloading sand box type avalanche model, driven by slowly lowering the retaining wall at the bottom of the slope. The avalanche propagation in the two dimensional surface is related to the space-time configurations of one dimensional Kardar-Parisi-Zhang (KPZ) type interface growth dynamics. We express the scaling exponents for the avalanche cluster distributions into that framework. The numerical results agree closely with KPZ scaling, but not perfectly.

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