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Localized and extended states in a disordered trap
Luca Pezzé, Laurent Sanchez-Palencia
We study Anderson localization in a disordered potential combined with an inhomogeneous trap. We show that the spectrum displays both localized and extended states, which coexist a…
One-dimensional Anderson localization in certain correlated random potentials
Pierre Lugan, Alain Aspect, Laurent Sanchez-Palencia +4
We study Anderson localization of ultracold atoms in weak, one-dimensional speckle potentials, using perturbation theory beyond Born approximation. We show the existence of a serie…
Dipole Oscillations of a Fermi Gas in a Disordered Trap: Damping and Localization
Luca Pezzé, Ben Hambrecht, Laurent Sanchez-Palencia
We theoretically study the dipole oscillations of an ideal Fermi gas in a disordered trap. We show that even weak disorder induces strong damping of the oscillations and we identif…
Disorder-induced trapping versus Anderson localization in Bose-Einstein condensates expanding in disordered potentials
Laurent Sanchez-Palencia, David Clément, Pierre Lugan +2
We theoretically investigate the localization of an expanding Bose-Einstein condensate with repulsive atom-atom interactions in a disordered potential. We focus on the regime where…
Density modulations in an elongated Bose-Einstein condensate released from a disordered potential
David Clément, Philippe Bouyer, Alain Aspect +1
We observe large density modulations in time-of-flight images of elongated Bose-Einstein condensates, initially confined in a harmonic trap and in the presence of weak disorder. Th…
Anderson Localization of Bogolyubov Quasiparticles in Interacting Bose-Einstein Condensates
Pierre Lugan, David Clément, Philippe Bouyer +2
We study the Anderson localization of Bogolyubov quasiparticles in an interacting Bose-Einstein condensate (with healing length ξ) subjected to a random potential (with finite corr…