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Article overview
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Phase separation in a chaotic flow | | Ludovic Berthier
; Jean-Louis Barrat
; Jorge Kurchan
; | | Date: |
17 Oct 2000 | | Journal: | Phys. Rev. Lett. 86, 2014 (2001) | | Subject: | Statistical Mechanics | cond-mat.stat-mech | | Abstract: | The phase separation between two immiscible liquids advected by a bidimensional velocity field is investigated numerically by solving the corresponding Cahn-Hilliard equation. We study how the spinodal decomposition process depends on the presence -or absence- of Lagrangian chaos. A fully chaotic flow, in particular, limits the growth of domains and for unequal volume fractions of the liquids, a characteristic exponential distribution of droplet sizes is obtained. The limiting domain size results from a balance between chaotic mixing and spinodal decomposition, measured in terms of Lyapunov exponent and diffusivity constant, respectively. | | Source: | arXiv, cond-mat/0010236 | | Other source: | [GID 58408] pmid11289843 | | Services: | Forum | Review | PDF | Favorites | |
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