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TZID:Europe/Paris
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BEGIN:VEVENT
UID:1-42@lptms.universite-paris-saclay.fr
DTSTART:20120411T143000Z
DTEND:20120411T153000Z
DTSTAMP:20120411T122136Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-fluides
 -quantiques-d-gangardt/
SUMMARY:Séminaire Fluides Quantiques: D. Gangardt - LPTMS\, salle 201\, 2
 ème étage\, Bât 100\, Campus d'Orsay - 11 Avr 12 14:30
DESCRIPTION:Quantum Grey Solitons in Confining Potentials - Trapped Lieb II
  mode\nDimitry Gangardt\, University of Birmingham\nWe define and study ho
 le-like excitations (the Lieb II mode) in a weakly interacting Bose liquid
  subject to external confinement. These excitations are obtained by semicl
 assical quantization of grey solitons propagating on top of a Thomas-Fermi
  background similarly to the uniform case. Radiation of phonons by an acce
 lerated gray soliton leads to a finite lifetime of these excitations. We c
 alculate the life-time of grey solitons and show that\, for a large number
  of trapped atoms\, most of the Lieb II levels can be experimentally resol
 ved.\nD. C. Wadkin-Snaith and D. M. Gangardt\, Phys. Rev. Lett. 108\, 0853
 01 (2012)
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=15 Rue Georges Clemenceau\,
  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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