Volume 35, Number 5, August II 1996
|Page(s)||397 - 398|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Comment on dynamical renormalization group approach to self-organized critical phenomena
Department of Mathematics, Imperial
College - 180 Queen's Gate, London SW7 2BZ, UK
Accepted: 20 June 1996
Diaz-Guilera described in an impressive letter how one can perform the renormalization group analysis in the presence of the singular Heaviside step function [CITE]. The latter enters inevitably when one derives coarse-grained Langevin equations for the various cellular-automaton algorithms arising in the study of self-organized criticality [CITE], [CITE].
PACS: 64.60.Ak – Renormalization-group, fractal, and percolation studies of phase transitions / 05.40.+j – Fluctuation phenomena, random processes, and Brownian motion / 05.90.+m – Other topics in statistical physics and thermodynamics
© EDP Sciences, 1996
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