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DTSTAMP:20260416T010435
DTSTART:20131108T113000
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URL:https://murmitoyen.com/events/vanille/udem/detail/278046
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Polariton Condensates – David Snoke\, Physics Departement\, Unive
 rsity of Pittsburg
DESCRIPTION:David Snoke\, Physics Departement\, University of PittsburgPola
 ritons are short-lifetime\, quasi-number conserved particles with very lig
 ht effective mass (four orders of magnitude less than an electron) which e
 xist inside specially designed nanostructured solids. During their existen
 ce\, they act to a very good approximation as a weakly interacting Bose ga
 s\, and undergo Bose-Einstein condensation. In the past five years there h
 as been an explosion of new experiments on polariton condensates\, includi
 ng Josephson junction oscillations between two condensates\, imaging of pi
 nned vortices\, measurement of the onset time for coherence\, soliton-like
  motion of a polariton superfluid over long distances\, and measurement of
  the momentum distribution and spatial distribution in a harmonic trap. Th
 is talk will be partly review of recent work by others\, and partly focus 
 on our recent work in Pittsburgh on polaritons with long lifetime compared
  to their thermalization time. Cette conférence s'adresse à tous\, y co
 mpris les professeurs\, les chercheurs et les étudiants des trois cycles.
 Le café est servi à partir de 11h20. Cette conférence est présentée 
 par le RQMP Versant Nord du Département de physique de l'Université de
  Montréal et le Département de génie physique de Polytechnique Montr
 éal.
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