Volume 68, Number 2, October 2004
|Page(s)||191 - 197|
|Published online||01 October 2004|
Two-time autocorrelation function in phase-ordering kinetics from local scale invariance
Laboratoire de Physique des Matériaux (CNRS UMR 7556), Université Henri Poincaré, Nancy I - B.P. 239, F-54506 Vandœuvre lès Nancy Cedex, France
2 Institut für Theoretische Physik I, Universität Erlangen-Nürnberg D-91058 Erlangen, Germany
Accepted: 16 August 2004
The time-dependent scaling of the two-time autocorrelation function of spin systems without disorder undergoing phase-ordering kinetics is considered. Its form is shown to be determined by an extension of dynamical scaling to a local scale invariance which turns out to be a new version of conformal invariance. The predicted autocorrelator is in agreement with Monte Carlo data on the autocorrelation function of the 2D kinetic Ising model with Glauber dynamics quenched to a temperature below criticality.
PACS: 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 64.60.Ht – Dynamic critical phenomena / 11.25.Hf – Conformal field theory, algebraic structures
© EDP Sciences, 2004
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