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SUMMARY:Active colloids that mix and mingle - Daphne Klotsa (University of
  North Carolina)
DTSTART:20230613T120000Z
DTEND:20230613T130000Z
UID:TALK199945@talks.cam.ac.uk
CONTACT:Sarah Loos
DESCRIPTION:Active matter describes nonequilibrium systems that consist of
  "elementary particles" that consume energy to move. Examples include dyna
 mically self-organized molecular motors in the cytoskeleton\, swarming bac
 teria\, flocks of birds and crowds of people. However\, most studies so fa
 r have focused on monodisperse systems. Active matter of mixtures of parti
 cles with distinct active driving forces remains surprisingly largely unex
 plored. Would materials scientists today fathom constraining themselves to
  purely single-component metals? Alloying active matter adds a whole new d
 imension to our exploration of mesoscopic building blocks. Today there is 
 a striking gap both in our theoretical understanding and experimental ende
 avors in this domain. In this talk I will discuss my group's computational
  efforts in understanding active mixtures using the Active Brownian Partic
 le (ABP) model. I will show results for systems where the concentrations o
 f the two active species are 50:50\, as well as the limiting cases of dopi
 ng a passive material with a very small percentage of active particles in 
 order to control the material's properties.\n
LOCATION:Center for Mathematical Sciences\, Lecture room MR4
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