Ordering dynamics in a non-conserved system with attractive long range interactions

Takao Ohta and Hisao Hayakawa

Physica A: Statistical Mechanics and its Applications, 1994, vol. 204, issue 1, 482-498

Abstract: Phase ordering in a system with an attractive long range interaction is studied by means of an interfacial approach. We start with a time-dependent Ginzburg-Landau (TDGL)-like model equation for a scalar non-conserved order parameter. Because of the long range term, there appears a long tail in the order parameter profile away from an interface separating two different ordered states. This tail causes a long range interaction between interfaces, which plays a crucial role for the ordering kinetics. By generalizing the previous theory for a short range interaction, the correlation function for the local order parameter field is calculated approximately in the asymptotic scaling limit.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:204:y:1994:i:1:p:482-498

DOI: 10.1016/0378-4371(94)90444-8

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