Open AccessLight-controlled flows in active fluids
Author(s) -
Julien Dervaux,
Marina Capellazzi Resta,
Philippe Brunet
Publication year - 2016
Publication title -
nature physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 9.157
H-Index - 309
eISSN - 1745-2481
pISSN - 1745-2473
DOI - 10.1038/nphys3926
Subject(s) - phototaxis , physics , fluid dynamics , mechanics , active matter , optical tweezers , convection , light intensity , buoyancy , flow (mathematics) , biological system , optics , biology , botany , microbiology and biotechnology
The ability of phototactic microorganisms to move towards optimal light intensities is exploited to generate fluid flows on scales several orders larger than the swimmers themselves. These flows are shown to function as hydrodynamic tweezers.
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