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BEGIN:VEVENT
UID:ed071c92cb351ccf29bb4f1888f350df
CATEGORIES:Mathematical Physics Seminar
CREATED:20221020T123516
SUMMARY:Diffusive Fluctuations in Hard Rods Systems and other integrable dynamics
LOCATION:Hill Center Room 705
DESCRIPTION:Abstract: We investigate the macroscopic behaviour of the density fluctuati
 ons of a one dimensional dynamics of hard rods with random length. After re
 centering on the effective velocity (hyperbolic space-time scaling) the den
 sity fluctuations of particles of a given velocity v will evolve on the dif
 fusive scaling driven by a browian motion with a diffusivity depending on v
 . This rigid evolution of fluctuations is expected in other completely inte
 grable systems (Box-Ball, Toda Lattice,..), in contrast with the behavior e
 xpected in chaotic dynamics.\n Joint work with Pablo Ferrari (U. Buenos Air
 es).\n
X-ALT-DESC;FMTTYPE=text/html:<p>Abstract:&nbsp;We investigate the macroscopic behaviour of the density f
 luctuations of a one dimensional dynamics of hard rods with random length. 
 After recentering on the effective velocity (hyperbolic space-time scaling)
  the density fluctuations of particles of a given velocity v will evolve on
  the diffusive scaling driven by a browian motion with a diffusivity depend
 ing on v. This rigid evolution of fluctuations is expected in other complet
 ely integrable systems (Box-Ball, Toda Lattice,..), in contrast with the be
 havior expected in chaotic dynamics.<br /> Joint work with Pablo Ferrari (U
 . Buenos Aires).</p>
CONTACT:Stefano Olla - Université Paris-Dauphine-PSL and GSSI-L'Aquila
DTSTAMP:20260829T182206
DTSTART;TZID=America/New_York:20221103T000000
DTEND;TZID=America/New_York:20221103T130000
SEQUENCE:0
TRANSP:OPAQUE
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