Theory of adiabatic spinodal decomposition in pressure-quenched binary fluids

James P. Donley and J.S. Langer

Physica A: Statistical Mechanics and its Applications, 1994, vol. 204, issue 1, 202-211

Abstract: We present a generalization of the Kawasaki-Ohta/Langer-Bar-on-Miller thoery of early-stage spinodal decomposition in a near-critical binary fluid. The new theory is relevant to a situation in which the system is quenched abruptly by changing the pressure and in which the subsequent phase separation occurs adiabatically. The resulting nonequilibrium situation has features that so not fit conventional theoretical assumptions. We find that changes in the effective temperature during the transition can account for the lack of agreement between earlier theories and recent experimental results of Bailey and Cannell.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:204:y:1994:i:1:p:202-211

DOI: 10.1016/0378-4371(94)90425-1

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