Léonie Canet, Hugues Chaté, Bertrand Delamotte, Nicolás Wschebor
Published 2009-05-07, updated 2010-05-04Version 2
We present a simple approximation of the non-perturbative renormalization group designed for the Kardar-Parisi-Zhang equation and show that it yields the correct phase diagram, including the strong-coupling phase with reasonable scaling exponent values in physical dimensions. We find indications of a possible qualitative change of behavior around $d=4$. We discuss how our approach can be systematically improved.
Comments: 4 pages, 1 figure, references added, minor changes
Journal: Phys.Rev.Lett.104:150601,2010
Non-perturbative renormalisation group for the Kardar-Parisi-Zhang equation: general framework and first applications
Numerical study of the Kardar-Parisi-Zhang equation
The Kardar-Parisi-Zhang equation with spatially correlated noise: a unified picture from nonperturbative renormalization group
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