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TZID:Europe/Paris
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BEGIN:VEVENT
UID:0-724@lptms.universite-paris-saclay.fr
DTSTART:20200331T110000Z
DTEND:20200331T120000Z
DTSTAMP:20200329T164127Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-charlie-duclut-mpi-pks-dresden/
SUMMARY:Séminaire du LPTMS: Charlie Duclut (MPI PKS Dresden) - Salle des s
 éminaires du FAST et du LPTMS\, bâtiment Pascal n°530 - 31 Mar 20 11:00
DESCRIPTION:Quorum effects in assemblies of chemotactic cells\nCharlie Ducl
 ut (MPI PKS Dresden)\n\nZOOM MEETING ID: 908 161 299 - PASSWORD: 026475 --
  \n\nTo self-organise into complex structures such as tissues and organs\,
  individual cells need to interact. A generic mechanism for this interacti
 on is a chemical signalling. The ability of an individual cell to follow a
  gradient of chemicals is called chemotaxis. Starting from a microscopic d
 escription of chemotactic cells\, I will present a coarse-graining procedu
 re to describe an assembly of such particles. This system exhibits a phase
  transition that I will then study using a dynamical renormalisation group
  approach. This analysis indicates the crucial role of a polarity-based ch
 emotactic interaction\, usually overlooked in phenomenological approaches.
  Finally\, I will discuss an emergent symmetry of the model that allows us
  to compute scaling exponents exactly. In particular\, we deduce a superdi
 ffusive behavior of the particles in all physical dimensions.
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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