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  Hydrodynamic suppression of phase separation in active suspensions

Matas-Navarro, R., Golestanian, R., Liverpool, T. B., & Fielding, S. M. (2014). Hydrodynamic suppression of phase separation in active suspensions. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 90(3): 032304. doi:10.1103/PhysRevE.90.032304.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-76E6-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-76E7-6
Genre: Journal Article

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Matas-Navarro, R., Author
Golestanian, Ramin1, Author              
Liverpool, T. B., Author
Fielding, S. M., Author
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1Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2570692              

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 Abstract: We simulate with hydrodynamics a suspension of active disks squirming through a Newtonian fluid. We explore numerically the full range of squirmer area fractions from dilute to close packed and show that "motility induced phase separation," which was recently proposed to arise generically in active matter, and which has been seen in simulations of active Brownian disks, is strongly suppressed by hydrodynamic interactions. We give an argument for why this should be the case and support it with counterpart simulations of active Brownian disks in a parameter regime that provides a closer counterpart to hydrodynamic suspensions than in previous studies. © 2014 American Physical Society.

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Language(s): eng - English
 Dates: 2014-09-182014-09
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevE.90.032304
BibTex Citekey: Matas-Navarro2014
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Title: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Source Genre: Journal
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Pages: 9 Volume / Issue: 90 (3) Sequence Number: 032304 Start / End Page: - Identifier: -