Slow dynamics in a driven two-lane particle system

Details Slow dynamics in a driven two-lane particle system Slow dynamics in a driven two-lane particle system

2009-03-23

arxiv.org/abs/0903.3919v2

Phys. Rev. E 79, 060102 (Rapid Comm.) (2009)

Physics

Condensed Matter

Statistical Mechanics

minor changes, final version

Scientific paper

We study a two-lane model of two-species of particles that perform biased diffusion. Extensive numerical simulations show that when bias q is strong enough oppositely drifting particles form some clusters that block each other. Coarsening of such clusters is very slow and their size increases logarithmically in time. For smaller q particles collapse essentially on a single cluster whose size seems to diverge at a certain value of q=q_c. Simulations show that despite slow coarsening, the model has rather large power-law cooling-rate effects. It makes its dynamics different from glassy systems, but similar to some three-dimensional Ising-type models (gonihedric models).

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