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SUMMARY:Kirone Mallick (IPhT)
DTSTART:20221010T090000Z
DTEND:20221010T100000Z
DTSTAMP:20260423T024456Z
UID:IPHT-PHM/9
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/IPHT-PHM/9/"
 >An exact solution of the macroscopic fluctuation theory</a>\nby Kirone Ma
 llick (IPhT) as part of Séminaire de physique mathématique IPhT\n\nLectu
 re held in Salle Claude Itzykson\, Bât. 774\, Orme des Merisiers.\n\nAbst
 ract\nInteracting diffusive particle systems are  paradigms for\nnon-equil
 ibrium statistical physics. Their macroscopic behaviour follows\na variati
 onal principle\, proposed by G. Jona-Lasinio and his collaborators\,\nknow
 n as the Macroscopic Fluctuation Theory (MFT)\, in which physics\nout from
  equilibrium is determined at a coarse-grained scale by two\ncoupled non-l
 inear hydrodynamic equations.\n\nIn this talk\, we shall show that the MFT
  equations for the exclusion process \nare classically integrable\, i.e. t
 hey can be integrated by \ninverse scattering\, a  method originally used 
 to study solitons in the KdV or\nthe NLS equations.  Our exact solution wi
 ll allow us to understand how  large\ndeviations are generated by  atypica
 l fluctuations\, far from equilibrium.\n
LOCATION:https://researchseminars.org/talk/IPHT-PHM/9/
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