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85 papers
The cold-atom elevator: From edge-state injection to the preparation of fractional Chern insulators
Botao Wang, Monika Aidelsburger, Jean Dalibard +2
Optical box traps for cold atoms offer new possibilities for quantum-gas experiments. Building on their exquisite spatial and temporal control, we propose to engineer system-reserv…
Superfluid fraction in an interacting spatially modulated Bose-Einstein condensate
G. Chauveau, C. Maury, F. Rabec +7
At zero temperature, a Galilean-invariant Bose fluid is expected to be fully superfluid. Here we investigate theoretically and experimentally the quenching of the superfluid densit…
Experimental tests of Bell's inequalities: A first-hand account by Alain Aspect
William D. Phillips, Jean Dalibard
On 04 October 2022, the Royal Swedish Academy of Sciences announced that the Nobel Prize for Physics of 2022 was awarded jointly to Alain Aspect, John Clauser, and Anton Zeilinger…
Precision Measurements of Atom-Dimer Interactions in a Uniform Planar Bose Gas
C. Maury, B. Bakkali-Hassani, G. Chauveau +4
Cold quantum gases, when acted upon by electromagnetic fields, can give rise to samples where isolated atoms coexist with dimers or trimers, which raises the question of the intera…
Townes soliton and beyond: Non-miscible Bose mixtures in 2D
Brice Bakkali-Hassani, Jean Dalibard
In these lecture notes, we discuss the physics of a two-dimensional binary mixture of Bose gases at zero temperature, close to the point where the two fluids tend to demix. We are…
The cross-over from Townes solitons to droplets in a 2D Bose mixture
B. Bakkali-Hassani, C. Maury, S. Stringari +3
When two Bose-Einstein condensates -- labelled 1 and 2 -- overlap spatially, the equilibrium state of the system depends on the miscibility criterion for the two fluids. Here, we t…