Non-perturbative renormalization group for the Kardar-Parisi-Zhang equation

Details Non-perturbative renormalization group for the Kardar-Parisi-Zhang equation Non-perturbative renormalization group for the Kardar-Parisi-Zhang equation

2009-05-07

arxiv.org/abs/0905.1025v2

Phys.Rev.Lett.104:150601,2010

Physics

Condensed Matter

Statistical Mechanics

4 pages, 1 figure, references added, minor changes

Scientific paper

10.1103/PhysRevLett.104.150601

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.

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