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Levy fluctuations and mixing in dilute suspensions of algae and bacteria.

Abstract:

Swimming micro-organisms rely on effective mixing strategies to achieve efficient nutrient influx. Recent experiments, probing the mixing capability of unicellular biflagellates, revealed that passive tracer particles exhibit anomalous non-Gaussian diffusion when immersed in a dilute suspension of self-motile Chlamydomonas reinhardtii algae. Qualitatively, this observation can be explained by the fact that the algae induce a fluid flow that may occasionally accelerate the colloidal tracers to...

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Publication status:
Published

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Publisher copy:
10.1098/rsif.2010.0545

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Journal of the Royal Society, Interface / the Royal Society
Volume:
8
Issue:
62
Pages:
1314-1331
Publication date:
2011-09-05
DOI:
EISSN:
1742-5662
ISSN:
1742-5689
URN:
uuid:b2ce14c6-87e0-48f8-9258-868bba0feba7
Source identifiers:
120160
Local pid:
pubs:120160

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