Viability of competing field theories for the driven lattice gas
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TR Number
Date
2000-05-01
Journal Title
Journal ISSN
Volume Title
Publisher
American Physical Society
Abstract
It has recently been suggested that the driven lattice gas should be described by a novel field theory in the limit of infinite drive. We review the original and the new field theory, invoking several well-documented key features of the microscopics. Since the new field theory fails to reproduce these characteristics, we argue that it cannot serve as a viable description of the driven lattice gas. Recent results, for the critical exponents associated with this theory, are re-analyzed and shown to be incorrect.
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Keywords
Physics, Fluids & Plasmas, Physics, Mathematical, Physics, SIZE-SCALING ANALYSIS, DIFFUSIVE SYSTEMS, CONSERVATIVE DYNAMICS, PHASE-TRANSITIONS, CRITICAL-BEHAVIOR