Phase Separation Driven by External Fluctuations

Details Phase Separation Driven by External Fluctuations Phase Separation Driven by External Fluctuations

1997-07-18

arxiv.org/abs/cond-mat/9707186v1

Physics

Condensed Matter

4 pages, 4 Postscript figures included in text. LaTeX (with Revtex macros)

Scientific paper

10.1209/epl/i1998-00217-9

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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