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UID:0-802@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20220208T110000
DTEND;TZID=Europe/Paris:20220208T120000
DTSTAMP:20220203T090915Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-aurelien-grabsch-lptmc/
SUMMARY:Séminaire du LPTMS : Aurelien Grabsch (LPTMC) - Petit amphi\, bât
 iment Pascal n° 530 - 8 Fév 22 11:00
DESCRIPTION:Generalised Density Profiles in Single-File Systems\nAurélien 
 Grabsch (Laboratoire de Physique Théorique de la Matière Condensée)\nHy
 brid seminar: onsite seminar + zoom.\n\n\nLink:  https://cnrs.zoom.us/j/98
 484104034?pwd=bStnaUpSZFJjQTRuL2c4WmxoMDVaUT09\n\nMeeting ID: 984 8410 403
 4\nPasscode: tU424R\n\n\n\nSingle-file transport\, where particles diffuse
  in narrow channels while not overtaking each other\, is a fundamental mod
 el for the tracer subdiffusion observed in confined systems\, such as zeol
 ites or carbon nanotubes. This anomalous behavior originates from strong b
 ath-tracer correlations in 1D\, which we characterise in this talk through
  Generalised Density Profiles (GDPs). These GDPs have however remained elu
 sive\, because they involve an infinite hierarchy of equations. Here\, for
  the Symmetric Exclusion Process\, a paradigmatic model of single-file dif
 fusion\, we break the hierarchy and unveil a closed equation satisfied by 
 these correlations\, which we solve. Beyond quantifying the correlations\,
  the central role of this equation as a novel tool for interacting particl
 e systems will be further demonstrated by showing that it applies to out-o
 f equilibrium situations\, other observables and other representative sing
 le-file systems.\n\nRefs:\n\n* Generalized Correlation Profiles in Single-
 File Systems\nAlexis Poncet\, Aurélien Grabsch\, Pierre Illien\, Olivier 
 Bénichou\nPhys. Rev. Lett. 127\, 220601 (2021)\, arXiv:2103.13083\n* Clos
 ing and Solving the Hierarchy for Large Deviations and Spatial Correlation
 s in Single-File Diffusion\nAurélien Grabsch\, Alexis Poncet\, Pierre Riz
 kallah\, Pierre Illien\, Olivier Bénichou\narXiv:2110.09269
CATEGORIES:seminars
LOCATION:Petit amphi\, bâtiment Pascal n° 530\, rue André Rivière\, Ors
 ay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Rivière\, Orsay
 \, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Petit amphi\, bâtiment Pasca
 l n° 530:geo:0,0
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