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TZID:Europe/Paris
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BEGIN:VEVENT
UID:1-193@lptms.universite-paris-saclay.fr
DTSTART:20131017T143000Z
DTEND:20131017T154500Z
DTSTAMP:20131014T125839Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-excepti
 onnel-du-lptms-eugene-sukhorukov/
SUMMARY:Séminaire exceptionnel du LPTMS : Eugene Sukhorukov - LPTMS\, sall
 e 201\, 2ème étage\, Bât 100\, Campus d'Orsay - 17 Oct 13 14:30
DESCRIPTION:Fermi Edge Singularity in Quantum Hall Systems far from Equilib
 rium\nEugene Sukhorukov (Geneva University)\nWe study non-equilibrium one 
 dimensional physics on an example of a minimal setup inspired by the recen
 t experiment based around a Mach-Zender interferometer composed of quantum
  Hall  edge channels at integer filling factor\, one of which is in Coul
 omb interaction with an artificial impurity. The fluctuations of the impur
 ity charge due to the tunneling transitions lead to resonant suppression o
 f coherence on the channel and of the visibility of the interference patte
 rn. We consider the regime where the transitions are induced by the non-eq
 uilibrium partitioning noise created in the interferometer itself by the b
 eam splitter\, and describe the strong effects of both the orthogonality c
 atastrophe and the non-equilibrium noise\, that are revealed in the shape 
 of the transition rates\, in the asymmetry of the visibility dip and in th
 e non-trivial dependence of the dip position on the transparency
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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