Volume 95, Number 4, August 2011
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|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
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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