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SUMMARY:Pressure and forces in active matter - Alex Solon\, LPTMC Jussieu\
 , Paris
DTSTART:20190611T120000Z
DTEND:20190611T130000Z
UID:TALK123058@talks.cam.ac.uk
CONTACT:Professor Mike Cates
DESCRIPTION:Active matter\, composed of self-propelling entities\, is foun
 d across scales in nature\, from cellular tissues to animal groups. Such s
 ystems\, as well as engineered active materials\, exhibit many types of co
 llective behaviors and unusual mechanical properties. In this talk\, I wil
 l focus on the interactions between active fluids and boundaries or passiv
 e objects\, and show that they lead to intriguing effects\, unmatched in p
 assive systems. In particular\, the pressure of active fluids does not obe
 y an equation of state\, leading to counter-intuitive phenomena. As we wil
 l see\, such fluids also drive instabilities of filaments\, exhibit ratche
 t currents\, and mediatemgeneric long-range interactions between passive b
 odies. 
LOCATION:MR11\, CMS
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