|
Title:
|
Domain growth in binary mixtures at low temperatures
|
|
Author:
|
Lacasta Palacio, Ana María; Hernández Machado, Aurora; Sancho, Jose Maria; Toral Garcés, Raúl
|
|
Other authors:
|
Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. NOLIN - Física No-Lineal i Sistemes Fora de l'Equilibri |
|
Abstract:
|
We have studied domain growth during spinodal decomposition at low temperatures. We have performed a numerical integration of the deterministic time-dependent Ginzburg-Landau equation with a variable, concentration-dependent diffusion coefficient. The form of the pair-correlation function and the structure function are independent of temperature but the dynamics is slower at low temperature. A crossover between interfacial diffusion and bulk diffusion mechanisms is observed in the behavior of the characteristic domain size. This effect is explained theoretically in terms of an equation of motion for the interface |
|
Abstract:
|
Peer Reviewed |
|
Subject(s):
|
-Àrees temàtiques de la UPC::Física
-Domain structure
-Nonlinear theories
-Dynamics
-Low temperatures
-Nonlinear dynamics
-Phase separation
-Domain growth
-Fluctuacions (Física)
-Teories no-lineals
-Temperatures baixes |
|
Rights:
|
|
|
Document type:
|
Article - Draft
Article |
|
Published by:
|
The American Physical Society
|
|
Share:
|
|
