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  Spontaneous chiral symmetry breaking in collective active motion.

Breier, R. E., Selinger, R. L. B., Cicotti, G., Herminghaus, S., & Mazza, M. G. (2016). Spontaneous chiral symmetry breaking in collective active motion. Physical Review E, 93(2): 022410. doi:10.1103/PhysRevE.93.022410.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-B919-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-1C1B-E
Genre: Journal Article

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 Creators:
Breier, Rebekka E.1, Author              
Selinger, Robin L. B., Author
Cicotti, Giovanni, Author
Herminghaus, Stephan2, Author              
Mazza, Marco G.1, Author              
Affiliations:
1Group Non-equilibrium soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063308              
2Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063306              

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 Abstract: Chiral symmetry breaking is ubiquitous in biological systems, from DNA to bacterial suspensions. A key unresolved problem is how chiral structures may spontaneously emerge from achiral interactions. We study a simple model of active swimmers in three dimensions that effectively incorporates hydrodynamic interactions. We perform large-scale molecular dynamics simulations (up to 106 particles) and find long-lived metastable collective states that exhibit chiral organization although the interactions are achiral. We elucidate under which conditions these chiral states will emerge and grow to large scales. To explore the complex phase space available to the system, we perform nonequilibrium quenches on a one-dimensional Lebwohl-Lasher model with periodic boundary conditions to study the likelihood of formation of chiral structures.

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Language(s): eng - English
 Dates: 2016-02-182016-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevE.93.022410
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Title: Physical Review E
Source Genre: Journal
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Pages: 5 Volume / Issue: 93 (2) Sequence Number: 022410 Start / End Page: - Identifier: ISSN: 1539-3755