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Contractile and chiral activities codetermine the helicity of swimming droplet trajectories
(National Academy of SciencesProceedings of the National Academy of Sciences of the United States of America, 2017-05-02)
Active fluids are a class of nonequilibrium systems where energy is injected into the system continuously by the constituent particles themselves. Many examples, such as bacterial suspensions and actomyosin networks, are ...
Spatiotemporal Self-Organization of Fluctuating Bacterial Colonies.
(APSPhysical review letters, 2017-11-03)
We model an enclosed system of bacteria, whose motility-induced phase separation is coupled to slow population
dynamics. Without noise, the system shows both static phase separation and a limit cycle, in which a
rising ...
Does a Growing Static Length Scale Control the Glass Transition?
(Physical review letters, 2017-11-09)
Several theories of the glass transition propose that the structural relaxation time is controlled
by a growing static length scale that is determined by the free energy landscape but not by
the local dynamical rules ...
Phoretic Interactions Generically Induce Dynamic Clusters and Wave Patterns in Active Colloids.
(Physical review letters, 2017-06-28)
We introduce a representative minimal model for phoretically interacting active colloids. Combining kinetic theory, linear stability analyses, and a general relation between self-propulsion and phoretic interactions in ...
Theories of binary fluid mixtures: from phase-separation kinetics to active emulsions
(Cambridge University PressJournal of Fluid Mechanics, 2017-12-18)
Binary fluid mixtures are examples of complex fluids whose microstructure and flow are strongly coupled. For pairs of simple fluids, the microstructure consists of droplets or bicontinuous demixed domains and the physics ...