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SUMMARY:Active solids: percolation and pattern formation - Professor Anton
  Souslov\, Dept. of Physics\, University of Cambridge
DTSTART:20251107T140000Z
DTEND:20251107T150000Z
UID:TALK235426@talks.cam.ac.uk
CONTACT:46601
DESCRIPTION:Active solids consume energy to allow for actuation and shape 
 change not possible in equilibrium. We discover anomalies in the continuum
  description of non-reciprocal active solids\, a ubiquitous class of activ
 e materials. In the first half of the talk\, I will describe our work on "
 more is less" [1]: We find that as microscopic activity increases\, macros
 cale active response can vanish below an active percolation transition. In
  the second half\, I will talk about the formation and coarsening of dynam
 ical patterns when active solids undergo instabilities [2]. Our results un
 veil surprising facets of active matter\, offering new principles for engi
 neering materials far from equilibrium.\n\n[1] More is less in unpercolate
 d active solids. Jack Binysh\, Guido Baardink\, Jonas Veenstra\, Corentin 
 Coulais\, Anton Souslov. arXiv:2504.18362\n\n[2] Wave coarsening drives ti
 me crystallization in active solids. Jonas Veenstra\, Jack Binysh\, Vito S
 einen\, Rutger Naber\, Damien Robledo-Poisson\, Andres Hunt\, Wim van Saar
 loos\, Anton Souslov\, Corentin Coulais. arXiv:2508.20052\n
LOCATION:Oatley 1 Meeting Room\, Department of Engineering
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