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TZID:Europe/Paris
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UID:0-709@lptms.universite-paris-saclay.fr
DTSTART:20191017T110000Z
DTEND:20191017T120000Z
DTSTAMP:20191006T162135Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-excepti
 onnel-du-lptms-martin-evans-univ-of-edinburgh/
SUMMARY:Séminaire exceptionnel du LPTMS: Martin Evans (Univ. of Edinburgh)
  - Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°530 - 1
 7 Oct 19 11:00
DESCRIPTION:Active Interface Equations\nMartin Evans (Univ. of Edinburgh)\n
 In this work we consider the role of active inclusions in a growing interf
 ace\, for example membrane binding proteins which catalyse growth in the p
 lasma membrane of eukaryotic cells. The interface is thus rendered active 
 and is described by two coupled fields: the height field of the interface 
 and the density of the inclusions. The equations generalise to active inte
 rface growth the Kardar Parisi Zhang equation\, which describes nonequilib
 rium growth and also represents many other systems driven out of out of eq
 uilibrium. In our model inclusions gravitate towards minima of the height 
 field and then catalyse growth which generates interface waves. This leads
  to complex kinematic waves and pattern formation and the proteins are abl
 e to surf the waves they create. The interface width displays a novel supe
 rposition of scaling and sustained oscillations distinct from KPZ physics.
 \n\nReference: F. Cagnetta\, M. R. Evans and D Marenduzzo\, Phys. Rev. Let
 t. 120\, 258001 (2018) 
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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