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SUMMARY:Bose condensation of polaritons: a superfluid of light
DTSTART:20170306T161500
DTEND:20170306T171500
DTSTAMP:20260916T142245Z
UID:8e8da3e053038f62817bb0a26ed241cac44b73ec55e10d1b4cba830f
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Peter Littlewood\, James Franck Institute\, University o
 f Chicago and Argonne National Laboratory\, Argonne IL\n\nBio: Littlewood 
 came to Chicago from Cambridge University\, United Kingdom\, where he was 
 Head of the Cavendish Laboratory and the Department of Physics at the Univ
 ersity of Cambridge. He previously headed the Theory of Condensed Matter g
 roup at the Cavendish Laboratory. During a 2003-2004 sabbatical leave\, he
  was Matthias Scholar at Los Alamos National Laboratory.\n\nPrior to joini
 ng Cambridge\, he worked at Bell Laboratories from 1980 through 1997\, fin
 ishing his time there as head of Theoretical Physics Research.\n\nHe holds
  a bachelor's degree in Natural Sciences (Physics) and a PhD in Physics\, 
 both from the University of Cambridge. He is a fellow of the Royal Society
  of London\, the Institute of Physics\, the American Physical Society\, an
 d an associate member The World Academy of Sciences (TWAS).\nMacroscopic p
 hase coherence is one of the most remarkable manifestations of quantum mec
 hanics\, yet it seems to be the inevitable ground state of interacting man
 y-body systems. In the last two decades\, the familiar examples of superfl
 uid He and conventional superconductors have been joined by exotic and hig
 h temperature superconductors\, ultra-cold atomic gases\, both bosonic and
  fermionic\, and recently systems of excitons\, magnons\, and exciton-phot
 on superpositions called polaritons\, the subject of this talk.\n \nEngin
 eering of optical microcavities make use of the mixing of electronic excit
 ations with photons to create a composite boson called a polariton that ha
 s a very light mass\, and recent experiments provide good evidence for a h
 igh-temperature Bose condensate. Polariton systems also offer an opportuni
 ty to use optical pumping to study quantum dynamics of a many body system 
 outside equilibrium\, in a new kind of cold atom laboratory.
LOCATION:Auditoire CE1 https://plan.epfl.ch/theme/generalite_thm_v2?dim_fl
 oor=1&lang=fr&dim_lang=fr&tree_groups=centres_nevralgiques%2Cacces%2Cmobil
 ite_reduite%2Censeignement%2Ccommerces_et_services%2Cvehicules&tree_group_
 l
STATUS:CONFIRMED
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