# Amplification of Fluctuations in Unstable Systems with Disorder

Source: [Amplification of Fluctuations in Unstable Systems with Disorder](<https://www.sota2.com/research/paper/68fa2a411e209131ce83c205>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T13:27:27.101Z

Authors: Prabhat K. Jaiswal, Manish Vashishtha, Rajesh Khanna, Sanjay Puri

Published: 2010-11-29T17:38:44.000Z

## Abstract

We study the early-stage kinetics of thermodynamically unstable systems with quenched disorder. We show analytically that the growth of initial fluctuations is amplified by the presence of disorder. This is confirmed by numerical simulations of morphological phase separation (MPS) in thin liquid films and spinodal decomposition (SD) in binary mixtures. We also discuss the experimental implications of our results.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/1011.6303>)

[PDF](<https://arxiv.org/pdf/1011.6303.pdf>)