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SUMMARY:Crystallisation in active suspensions - Prof. Ronojoy Ahikari
DTSTART:20230608T120000Z
DTEND:20230608T130000Z
UID:TALK201517@talks.cam.ac.uk
CONTACT:Marco Vona
DESCRIPTION:Experiments have shown that phoretic colloids and bacterial su
 spensions spontaneously crystallise at boundaries. Equilibrium theories of
  the liquid-solid transition\, based on inter-particle potentials\, are in
 applicable to these non-equilibrium situations. Therefore\, we construct a
  theory in which inter-particle forces and torques\, rather than potential
 s\, play a central role in determining collective states. The active force
 s and torques entering the theory can be computed exactly in the limit of 
 slow viscous flow. The resulting collective dynamics and steady states are
  in agreement with experiment.
LOCATION:CMS MR14
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