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SUMMARY:Disordered Yet Directed: The Emergence of Polar Flocks with Disord
 ered Interactions - Thibault Bertrand (Imperial College London)
DTSTART:20241004T124500Z
DTEND:20241004T131500Z
UID:TALK220957@talks.cam.ac.uk
DESCRIPTION:Flocking is a prime example of how robust collective behavior 
 can emerge from simple interaction rules. The flocking transition has been
  studied extensively since the inception of the original Vicsek model. In 
 this talk\, we will introduce a novel self-propelled particle model with q
 uenched disorder in the pairwise alignment interaction couplings akin to a
  spin glass model. We show that the presence of quenched disorder can prom
 ote (rather than destroy) the emergence of global polar order. In particul
 ar\, we show that our model can display a flocking phase even when the maj
 ority of the interaction couplings are anti-aligning. Activity is the key 
 ingredient to reduce frustration in the system as it allows local particle
  clustering combined with self-organization of the particles to favor neig
 hborhoods with strong cooperative interactions.&nbsp\;\nCo-Authors: Eloise
  Lardet\, Rapha&euml\;l Voituriez\, Silvia Grigolon\nReference: E. Lardet\
 , R. Voituriez\, S. Grigolon\, T. Bertrand\, arXiv:2409.10768 (2024)
LOCATION:Seminar Room 1\, Newton Institute
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