Theoretical evidence for a dense fluid precursor to crystallization

Abstract

We present classical density functional theory calculations of the free energy landscape for fluids below their triple point as a function of density and crystallinity. We find that for both a model globular protein and for a simple atomic fluid modeled with a Lennard-Jones interaction, it is free-energetically easier to crystallize by passing through a metastable dense fluid in accord with the Ostwald rule of stages but in contrast to the alternative of ordering and densifying at once as assumed in the classical picture of crystallization.

4 pages, 3 figures

References in corpus (1)

• The effect of the range of interaction on the phase diagram of a globular protein

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