Dynamics of a disordered, driven zero range process in one dimension

Details Dynamics of a disordered, driven zero range process in one dimension Dynamics of a disordered, driven zero range process in one dimension

2003-05-06

arxiv.org/abs/cond-mat/0305098v2

Phys. Rev. Lett. 91, 135701 (2003)

Physics

Condensed Matter

Statistical Mechanics

Revtex4, 5 pages including 2 figures; Revised version; To appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.91.135701

We study a driven zero range process which models a closed system of attractive particles that hop with site-dependent rates and whose steady state shows a condensation transition with increasing density. We characterise the dynamical properties of the mass fluctuations in the steady state in one dimension both analytically and numerically and show that the transport properties are anomalous in certain regions of the density-disorder plane. We also determine the form of the scaling function which describes the growth of the condensate as a function of time, starting from a uniform density distribution.

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