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Theory of adiabatic spinodal decomposition in pressure-quenched binary fluids

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  • Donley, James P.
  • Langer, J.S.

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.

Suggested Citation

  • Donley, James P. & Langer, J.S., 1994. "Theory of adiabatic spinodal decomposition in pressure-quenched binary fluids," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 204(1), pages 202-211.
    • Handle: RePEc:eee:phsmap:v:204:y:1994:i:1:p:202-211
    DOI: 10.1016/0378-4371(94)90425-1
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