2 papers
cond-mat.quant-gas2020
Probing spin correlations in a Bose-Einstein condensate near the single atom level
An Qu, Bertrand Evrard, Jean Dalibard +1
Using parametric conversion induced by a Shapiro-type resonance, we produce and characterize a two-mode squeezed vacuum state in a sodium spin 1 Bose-Einstein condensate. Spin-chan…
cond-mat.other2015
Cavitation Density of Superfluid Helium-4 around 1 K
An Qu, Azer Trimeche, Jacques Dupont-roc +2
Using an optical interferomertric method, the homogeneous cavitation density of superfluid helium at K is measured and found to be …