In silico characterization of asymmetric active polar emulsions

In this paper an in silico study of the behavior of an active polar emulsion is reported, focusing on the case of a highly off-symmetric ratio between the polar (active) and passive components, both for the extensile and contractile case. In absence of activity the system is characterized by an hexa...

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Bibliographic Details
Main Authors: Negro, G., Carenza, L. N., Digregorio, P., Gonnella, G., Lamura, A.
Format: Conference Proceeding
Language:English
Subjects:
Droplets
Elongated structure
Emulsions
Passive components
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Summary:In this paper an in silico study of the behavior of an active polar emulsion is reported, focusing on the case of a highly off-symmetric ratio between the polar (active) and passive components, both for the extensile and contractile case. In absence of activity the system is characterized by an hexatic-ordered droplets phase. We find that small extensile activity is able to enhance the hexatic order in the array of droplets with respect to the passive case, while increasing activity aster-like rotating droplets appear. In contractile systems activity creates shear flows and elongated structures are formed.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5090059