Phase separation in binary systems with internal multiplicative noise |
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Authors: | DO Kharchenko AV Dvornichenko |
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Institution: | a Institute of Applied Physics, Nat. Acad. Sci. of Ukraine 58, Petropavlovskaya St., 40030 Sumy, Ukraine b Sumy State University 2, Rimskii-Korsakov St., 40007 Sumy, Ukraine |
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Abstract: | A study of a phase separation process in stochastic systems with a field dependent kinetic coefficient and an internal multiplicative noise is presented. Dynamics of spinodal decomposition at early and late stages is investigated by computer simulations where the domain growth law is generalized. A mean field approach was carried out in order to obtain the stationary probability, bifurcation and phase diagrams displaying reentrant phase transitions. We relate our approach to entropy driven phase transitions theory. |
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Keywords: | 05 40 -a 64 60-i |
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