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TZID:Europe/Paris
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BEGIN:VEVENT
UID:1-227@lptms.universite-paris-saclay.fr
DTSTART:20140415T110000Z
DTEND:20140415T120000Z
DTSTAMP:20140407T054253Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-a-de-luca-2/
SUMMARY:Séminaire du LPTMS: A. de Luca - LPTMS\, salle 201\, 2ème étage\
 , Bât 100\, Campus d'Orsay - 15 Avr 14 11:00
DESCRIPTION:Anderson localization on a Bethe lattice: non-ergodicity of ext
 ended states\nAndrea De Luca\, LPT ENS\nStatistical analysis of the eigenf
 unctions of the Anderson tight-binding model with on-site disorder on regu
 lar random graphs strongly suggests that the extended states are multifrac
 tal at any disorder. The spectrum of fractal dimensions f(α) remains posi
 tive for α noticeably far from 1 even when the disorder is several times 
 weaker than the one which leads to the Anderson localization\, i.e. the er
 godicity can be reached only in the absence of disorder. The one-particle 
 multifractality on the Bethe lattice signals on a possible inapplicability
  of the equipartition law to a generic many-body quantum system as long as
  it remains isolated.
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
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  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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