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UID:0-747@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20201103T110000
DTEND;TZID=Europe/Paris:20201103T120000
DTSTAMP:20201030T121541Z
URL:https://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lpt
 ms-jerome-beugnon-lkb/
SUMMARY:Séminaire du LPTMS : Jérôme Beugnon (LKB) - Grand amphi\, bâtim
 ent Pascal n° 530 - 3 Nov 20 11:00
DESCRIPTION:Scale-invariant dynamics of a planar Bose gas : dynamical symme
 try\, solitons and breathers.\nJérôme Beugnon (LKB)\n\nOnline seminar --
 - ZOOM Meeting ID: 913 5556 5450 -- Password: 966156 --\n\n\nLow temperatu
 re quasi-2D Bose gases feature an approximate scale invariance.  I will di
 scuss several consequences of this scale-invariance on the equilibrium and
  dynamics of the gas and illustrate them through experiments with box-trap
 ped ultracold atoms. I will first present experimental signatures of the S
 O(2\,1) dynamical symmetry. In a two-component gas\, I will report the obs
 ervation of two-dimensional scale-invariant solitons\, the so-called Towne
 s solitons. Finally\, I will show the surprising existence of breathers th
 at might be related to the scale-invariance of the gas.
CATEGORIES:seminars
LOCATION:Grand amphi\, bâtiment Pascal n° 530\, rue André Rivière\, Ors
 ay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Rivière\, Orsay
 \, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Grand amphi\, bâtiment Pasca
 l n° 530:geo:0,0
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TZID:Europe/Paris
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DTSTART:20201025T020000
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