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Hanbury-Brown and Twiss bunching of phonons and of the quantum depletion in a strongly-interacting Bose gas
Hugo Cayla, Salvatore Butera, Cécile Carcy +6
We report the realisation of a Hanbury-Brown and Twiss (HBT)-like experiment with a gas of strongly interacting bosons at low temperatures. The regime of large interactions and low…
Ultracold Atoms in Disordered Potentials: Elastic Scattering Time in the Strong Scattering Regime
Adrien Signoles, Baptiste Lecoutre, Jérémie Richard +8
We study the elastic scattering time of ultracold atoms propagating in optical disordered potentials in the strong scattering regime, going beyond the recent work of…
Momentum-space atom correlations in a Mott insulator
Cécile Carcy, Hugo Cayla, Antoine Tenart +3
We report on the investigation of the three-dimensional single-atom-resolved distributions of bosonic Mott insulators in momentum-space. Firstly, we measure the two-body and three-…
Elastic Scattering Time of Matter-Waves in Disordered Potentials
Jérémie Richard, Lih-King Lim, Vincent Denechaud +8
We report on an extensive study of the elastic scattering time $\tauS$ of matter-waves in optical disordered potentials. Using direct experimental measurements, numerical simulatio…
Expansion of a matter wave packet in a one-dimensional disordered potential in the presence of a uniform bias force
C Crosnier de Bellaistre, C Trefzger, A. Aspect +2
We study numerically the expansion dynamics of an initially confined quantum wave packet in the presence of a disordered potential and a uniform bias force. For white-noise disorde…
Fast production of Bose-Einstein condensates of metastable Helium
Q. Bouton, R. Chang, A. L. Hoendervanger +4
We report on the Bose-Einstein condensation of metastable Helium-4 atoms using a hybrid approach, consisting of a magnetic quadrupole and a crossed optical dipole trap. In our setu…