Issue |
EPL
Volume 95, Number 4, August 2011
|
|
---|---|---|
Article Number | 46002 | |
Number of page(s) | 6 | |
Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
DOI | https://doi.org/10.1209/0295-5075/95/46002 | |
Published online | 26 July 2011 |
Universality in fluid domain coarsening: The case of vapor-liquid transition
Theoretical Sciences Unit, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur P.O., Bangalore 560064, India
Received:
8
April
2011
Accepted:
27
June
2011
Domain growth during the kinetics of phase separation is studied following vapor-liquid transition in a single component Lennard-Jones fluid. Results are analyzed after appropriately mapping the continuum snapshots obtained from extensive molecular-dynamics simulations to a simple cubic lattice. For near-critical quench interconnected domain morphology is observed. A brief period of slow diffusive growth is followed by a linear viscous hydrodynamic growth that lasts for an extended period of time. This result is in contradiction with earlier reports of late-time growth exponent 1/2 that questions the uniqueness of the non-equilibrium universality for liquid-liquid and vapor-liquid transitions.
PACS: 64.60.Ht – Dynamic critical phenomena / 64.70.Ja – Liquid-liquid transitions
© EPLA, 2011
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