Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14467
Title: Current fluctuations in the weakly asymmetric exclusion process with open boundaries
Authors: GORISSEN, Mieke 
VANDERZANDE, Carlo 
Issue Date: 2012
Publisher: AMER PHYSICAL SOC
Source: PHYSICAL REVIEW E, 86 (5)
Abstract: The additivity principle allows a calculation of current fluctuations and associated density profiles in large diffusive systems. We apply this principle to the weakly asymmetric exclusion process (WASEP). We also calculate the cumulant generating function of the current and the density profiles associated with rare currents in finite systems using a numerical approach based on the density matrix renormalization group. Comparison of the two approaches allows us to verify the validity of the additivity principle and to get insight into the finite size scaling theory for current fluctuations in the WASEP. No evidence for a dynamical phase transition is found.
Notes: [Gorissen, Mieke; Vanderzande, Carlo] Hasselt Univ, Fac Sci, B-3590 Diepenbeek, Belgium. [Vanderzande, Carlo] KULeuven, Inst Theoret Fys, B-3001 Heverlee, Belgium.
Keywords: Physics, Fluids & Plasmas; Physics, Mathematical; matrix renormalization-group; statistical-mechanics; formulation; symmetry
Document URI: http://hdl.handle.net/1942/14467
ISSN: 1539-3755
DOI: 10.1103/PhysRevE.86.051114
ISI #: 000311145000001
Category: A1
Type: Journal Contribution
Validations: ecoom 2013
Appears in Collections:Research publications

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