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SUMMARY:Flow-induced states in channel-confined nematics - Simon Copar (Un
 iversity of Ljubljana  )
DTSTART:20190516T131000Z
DTEND:20190516T135000Z
UID:TALK124582@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Anisotropy of liquid crystals couples their orientational orde
 r to velocity shear\, and consequently\, induces different regimes in flow
 s with different strengths. A flow-aligning nematic liquid crystal\, confi
 ned to a channel with homeotropic surface alignment\, is known to undergo 
 a transition from a homeotropic to a flow-aligned state. I will present a 
 more detailed view of this behaviour\, including a hidden pre-transitional
  state with broken chiral symmetry and dynamics of flow-aligned domain und
 er uniform or alternating flow. Additionally\, I will present a Landau mod
 el that captures the stability of different states with respect to materia
 l parameters.
LOCATION:Seminar Room 1\, Newton Institute
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