Interface stability, interface fluctuations, and the Gibbs-Thomson relation in motility-induced phase separations

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Title: Interface stability, interface fluctuations, and the Gibbs-Thomson relation in motility-induced phase separations
Author(s): Lee, CF
Item Type: Journal Article
Abstract: Minimal models of self-propelled particles with short-range volume exclusion interactions have been shown to exhibit signatures of phase separation. Here I show that the observed interfacial sta- bility and uctuations in motility-induced phase separations (MIPS) can be explained by modeling the microscopic dynamics of the active particles in the interfacial region. In addition, I demon- strate the validity of the Gibbs-Thomson relation in MIPS, which provides a functional relationship between the size of a condensed drop and its surrounding vapor concentration. As a result, the coars- ening dynamics of MIPS at vanishing supersaturation follows the classic Lifshitz-Slyozov scaling law at the late stage.
Publication Date: 31-Dec-2017
Date of Acceptance: 28-Nov-2016
URI: http://hdl.handle.net/10044/1/42801
ISSN: 1744-6848
Publisher: Royal Society of Chemistry
Journal / Book Title: Soft Matter
Copyright Statement: This paper is embargoed until publication. Once published will be available fully open access.
Keywords: Chemical Physics
03 Chemical Sciences
09 Engineering
02 Physical Sciences
Publication Status: Accepted
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Faculty of Engineering
Bioengineering



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