no code implementations • 17 Jan 2021 • Bertrand Evrard, An Qu, Jean Dalibard, Fabrice Gerbier
We present experiments revealing the competing effect of quantum fluctuations and of a coherent seed in the dynamics of a spin-1 Bose-Einstein condensate, and discuss the relevance of a mean-field description of our system.
Quantum Gases
no code implementations • 20 Apr 2020 • An Qu, Bertrand Evrard, Jean Dalibard, Fabrice Gerbier
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.
Quantum Gases Quantum Physics
