Phase Separation Driven by External Fluctuations
J. Garcia-Ojalvo, A.M. Lacasta, J.M. Sancho, R. Toral
TL;DR
This paper investigates how external fluctuations can induce phase separation, revealing that noise characteristics significantly influence the process, supported by stability analysis and numerical simulations.
Contribution
It demonstrates that external noise can trigger phase separation and highlights the importance of noise spatial structure, which is a novel insight in the field.
Findings
External fluctuations can induce phase separation.
Spatial structure of noise affects phase separation.
Numerical simulations confirm theoretical predictions.
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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