92-119 Privman Vladimir

EXACT SOLUTION OF A PHASE SEPARATION MODEL WITH CONSERVED ORDER PARAMETER DYNAMICS (26K, TeX (plain), PostScript figure) Oct 1, 92

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Abstract. Pairwise particle-exchange model on a linear lattice is solved exactly by a new rate-equation method. Lattice sites are occupied by particles A and B which can exchange irreversibly provided the local energy in reduced. Thus, the model corresponds to a zero-temperature Kawasaki-type phase separation process. Due to local order-parameter conservation, the dynamics reaches a frozen state at large times, the structure of which depends on the initial conditions.

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