Phase Separation Driven by External Fluctuations
J. Garcia-Ojalvo, A. M. Lacasta, J. M. Sancho, R. Toral
Abstract
The influence of external fluctuations in phase separation processes is analysed. These fluctuations arise from random variations of an external control parameter. A linear stability analysis of the homogeneous state shows that phase separation dynamics can be induced by external noise. The spatial structure of the noise is found to have a relevant role in this phenomenon. Numerical simulations confirm these results. A comparison with order-disorder noise induced phase transitions is also made.
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