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Run-and-tumble dynamics in a crowded environment: Persistent exclusion process for swimmers

Abstract:

The effect of crowding on the run-and-tumble dynamics of swimmers such as bacteria is studied using a discrete lattice model of mutually excluding particles that move with constant velocity along a direction that is randomized at a rate α. In stationary state, the system is found to break into dense clusters in which particles are trapped or stopped from moving. The characteristic size of these clusters predominantly scales as α-0.5 in both one and two dimensions. For a range of densities, du...

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Publisher copy:
10.1103/PhysRevE.89.012706

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume:
89
Issue:
1
Publication date:
2014-01-08
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
Source identifiers:
452636
Language:
English
Pubs id:
pubs:452636
UUID:
uuid:8c844f17-9029-46fb-a906-195a34005878
Local pid:
pubs:452636
Deposit date:
2014-05-13

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