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Velocity correlations in an active nematic.

Abstract:
The flow properties of a continuum model for an active nematic are studied and compared with recent experiments on suspensions of microtubule bundles and molecular motors. The velocity correlation length is found to be independent of the strength of the activity while the characteristic velocity scale increases monotonically as the activity is increased, both in agreement with the experimental observations. We interpret our results in terms of the creation and annihilation dynamics of a gas of topological defects.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Physical Review Letters
Volume:
111
Issue:
11
Pages:
118101
Publication date:
2013-09-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
387743
Language:
English
Keywords:
Pubs id:
pubs:387743
UUID:
uuid:9fd1644a-eefd-4fe1-bda3-cbabb8cf6151
Local pid:
pubs:387743
Deposit date:
2013-11-17

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