Self-organized criticality in an interface-growth model with quenched randomness

Abstract

We study a modified model of the Kardar-Parisi-Zhang equation with quenched disorder, in which the driving force decreases as the interface rises up. A critical state is self-organized, and the anomalous scaling law with roughness exponent alpha=0.63 is numerically obtained.

4 pages, 4 figures

References in corpus (2)

• Driven Depinning in Anisotropic Media
• Anisotropic Interface Depinning - Numerical Results

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