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TZID:Europe/Paris
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BEGIN:VEVENT
UID:0-575@lptms.universite-paris-saclay.fr
DTSTART:20180515T110000Z
DTEND:20180515T120000Z
DTSTAMP:20180507T072848Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-jacopo-rocchi/
SUMMARY:Séminaire du LPTMS: Jacopo Rocchi - LPTMS\, salle 201\, 2ème éta
 ge\, Bât 100\, Campus d'Orsay - 15 Mai 18 11:00
DESCRIPTION:Self-sustained clusters in spin glass models\nJacopo Rocchi (LP
 TMS\, Université Paris-Sud)\nWhile macroscopic properties of spin glasses
  have been thoroughly investigated\, their manifestation in the correspond
 ing microscopic configurations is much less understood. To identify the e
 merging microscopic structures with macroscopic phases at different temper
 atures\, we introduce the concept of self-sustained clusters (SSC). SSC 
 are regions of the space where in-cluster induced fields dominate over th
 e field induced by out-cluster spins. We study their properties in the Is
 ing p-spin model with p=3 using replicas. The intuition gained using ful
 ly connected models is then used in the study of models defined on random 
 graphs. A message-passing algorithm is developed to determine the probabil
 ity of individual spins to belong to SSC. Results for specific instances\,
  which compare the predicted SSC associations with the dynamical properti
 es of the spins\, are obtained from numerical simulations. This insight gi
 ves rise to a way to predict individual spin dynamics from a single snap
 shot of spin configurations.
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=15 Rue Georges Clemenceau\,
  Orsay\, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=LPTMS\, salle 201\, 2è
 me étage\, Bât 100\, Campus d'Orsay:geo:48.698185,2.181768
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