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TZID:Europe/Paris
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BEGIN:VEVENT
UID:0-683@lptms.universite-paris-saclay.fr
DTSTART:20190924T110000Z
DTEND:20190924T120000Z
DTSTAMP:20190917T102918Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-marco-schiro/
SUMMARY:Séminaire du LPTMS: Marco Schirò - Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530 - 24 Sep 19 11:00
DESCRIPTION:Defying Quantum Thermalization through Interactions and Disorde
 r: From Many Body Localization to Quantum Glassiness\nMarco Schirò (IPHT 
 and Collège de France)\nGeneric interacting quantum many body systems are
  expected to reach thermal equilibrium when isolated from their environmen
 t and let evolve under their own quantum dynamics. Exceptions to this para
 digm can emerge in presence of quenched random disorder\, due to many body
  localization (MBL) or quantum glassiness. Those two robust scenarios for 
 ergodicity breaking have recently attracted considerable interest both fro
 m a purely theoretical viewpoint and for their implications on the robustn
 ess of future quantum technologies.\nIn this talk I will study the quantum
  dynamics of two prototype models for MBL and quantum glassy systems.\nI w
 ill first introduce a theoretical framework based on flow equations to stu
 dy the properties MBL systems\, in particular the emergence of localised i
 ntegral of motions\, and their dynamics. Then I will consider a mean field
  model of a quantum glass and I will study its isolated dynamics after a q
 uantum quench. I will show that\, contrary to the conventional wisdom base
 d on thermodynamics\, quantum fluctuations and non equilibrium effects res
 ult in an enhanced glassiness and ageing behavior.
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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