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UID:0-980@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20241219T100000
DTEND;TZID=Europe/Paris:20241219T130000
DTSTAMP:20241209T085116Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/soutenance-de-the
 se-giorgio-ciliberto/
SUMMARY:Soutenance de thèse: Giorgio Ciliberto - Petit amphi\, bâtiment P
 ascal n° 530 - 19 Déc 24 10:00
DESCRIPTION:\n\nNon-locality and Back-reaction in Acoustic Black Holes and 
 Non-linearity in Quantum Fluid Dynamics\n\n\n&nbsp\;\n\nThis thesis is mai
 nly about quantum correlations and non-linear fluctuations in quantum flui
 ds. It focuses especially on collective quantum fluctuations\, i.e. sound 
 waves\, in the stationary flow of a 1D Bose-Einstein quasi- condensate whi
 ch exhibits an acoustic horizon\, i.e. a transition from subsonic to super
 sonic flow. Quantum phenomena generated by the presence of the horizon are
  investigated. The thesis also presents a brief excursus on two- dimension
 al turbulence in a quantum fluid. We study quantum non-separability\, non-
  locality and back-reaction of the acoustic Hawking radiation emitted by a
 n analog black hole. The entanglement and nonlocal correlations within the
  tripartite system of quasi-particles emitted from the acoustic horizon ar
 e first investigated. Back-reaction equations govern- ing the effect of su
 ch acoustic radiation on the inhomogeneous background are derived and stat
 ionary solutions are considered. Finally\, a phenomenological theory based
  on topological constraints for vortex creation and annihilation is effect
 ively applied to experimental data\, thus accounting for the growth and de
 cay of turbulence.\n\n&nbsp\;\n\n&nbsp\;\n\nJury : Jacqueline Bloch\, Andr
 eas Buchleitner (co-directeur de thèse)\, Marek Kus\, Nicolas Pavloff (di
 recteur de thèse)\, Heidi Rzehak\, Augusto Smerzi
CATEGORIES:seminars
LOCATION:Petit 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=Petit amphi\, bâtiment Pasca
 l n° 530:geo:0,0
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