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Explosive Condensation in a Mass Transport Model

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Original languageEnglish
Article number070601
Number of pages5
JournalPhysical Review Letters
Volume108
Issue number7
DOIs
Publication statusPublished - 13 Feb 2012

Abstract

We study a far-from-equilibrium system of interacting particles, hopping between sites of a 1D lattice with a rate which increases with the number of particles at interacting sites. We find that clusters of particles, which initially spontaneously form in the system, begin to move at increasing speed as they gain particles. Ultimately, they produce a moving condensate which comprises a finite fraction of the mass in the system. We show that, in contrast with previously studied models of condensation, the relaxation time to steady state decreases as an inverse power of lnL with system size L and that condensation is instantaneous for L -> infinity.

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