INVESTIGADORES
VEGA Daniel Alberto
artículos
Título:
Spinodal-assisted nucleation during symmetry-breaking phase transitions
Autor/es:
DA VEGA; GOMEZ LR
Revista:
PHYSICAL REVIEW E - STATISTICAL PHYSICS, PLASMAS, FLUIDS AND RELATED INTERDISCIPLINARY TOPICS
Editorial:
American Physical Society
Referencias:
Año: 2009 vol. 79 p. 516071 - 516076
ISSN:
1063-651X
Resumen:
kinetics of spinodal-assisted crystallization in a region of the phase diagram where the dynamics is
controlled by the critical slow down was studied by means of a Cahn-Hilliard model. The length-scale selectivity
conducted by the spinodal process led to the formation of a filamentary network of density fluctuations
that resemble the scarred states found in quantum-chaos systems. The present work reveals that the early
structure of density fluctuations acts such as a precursor for crystallization and deeply affects the orientational
and translational correlation between growing crystals. At deep quenches the network of fluctuations is deeply
modified and the classical picture of spinodal decomposition is recovered.