Issue |
Europhys. Lett.
Volume 68, Number 2, October 2004
|
|
---|---|---|
Page(s) | 191 - 197 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i2004-10180-y | |
Published online | 01 October 2004 |
Two-time autocorrelation function in phase-ordering kinetics from local scale invariance
1
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
Received:
21
April
2004
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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