Abstract
The dynamics of supercooled fluids is investigated. This approach is based on a static mean field theory of freezing developed by Grewe and Klein and the dynamical theory of Cahn and Hilliard. A nonlocal term is introduced to the standard Landau-Ginsburg-Wilson Hamiltonian and the resulting dynamics are explored. It is shown that for short times the supercooled liquid is unstable to density fluctuations of a nonzero wavevectork. Thek at which this instability first appears is on the order of the inverse range of the interaction potential.
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