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UID:0-819@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20220531T110000
DTEND;TZID=Europe/Paris:20220531T120000
DTSTAMP:20220519T071526Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-kirone-mallick-ipht-2/
SUMMARY:Séminaire du LPTMS : Kirone Mallick (IPhT) - Salle des séminaires
  du FAST et du LPTMS\, bâtiment Pascal n°530 - 31 Mai 22 11:00
DESCRIPTION:An exact solution of the macroscopic fluctuation theory\nKirone
  Mallick (Institut de Physique Théorique)\nHybrid seminar: onsite + zoom.
 \nhttps://cnrs.zoom.us/j/98365274646?pwd=eFhoaENWWHM5YmRYZXBhWkNXMjhJUT09\
 nMeeting ID: 983 6527 4646\nPasscode: y6T8vv\n\nInteracting diffusive part
 icle systems are considered as paradigms for non-equilibrium statistical p
 hysics. Their macroscopic behaviour follows a variational principle\, prop
 osed by G. Jona-Lasinio and his collaborators\, known as the Macroscopic F
 luctuation Theory (MFT). Optimal fluctuations far from equilibrium are thu
 s determined at a coarse-grained scale by two coupled non-linear hydrodyna
 mic equations.However\, for a long time\, only stationary or perturbative 
 solutions of the MFT equations were known.\n\nIn this talk\, we shall show
  that\, for the exclusion process\, the MFT equations are classically inte
 grable and can be solved with the help of the inverse scattering method\,
  originally used to study solitons in the KdV or the NLS equations. Thi
 s exact solution will allow us to calculate the large deviations of the 
 current and the optimal profiles that generates a given fluctuation\, bot
 h at initial and final times.
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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