New simulations on old biased diffusion

D Stauffer

Physica A: Statistical Mechanics and its Applications, 1999, vol. 266, issue 1, 35-41

Abstract: Recent progress with Sornette, Dhar and Kirsch is reviewed on the old question of how diffusing particles in a fixed external field travel through a random medium (biased ants in a labyrinth). Simulations show log-periodic oscillations in time for strong bias and suggest a phase transition between drift and no drift for intermediate bias. Similar results are known for “topological” bias.

Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:266:y:1999:i:1:p:35-41

DOI: 10.1016/S0378-4371(98)00571-8

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