Coherent seeding of the dynamics of a spinor Bose-Einstein condensate: from quantum to classical behavior

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

Probing spin correlations in a Bose-Einstein condensate near the single atom level

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

Bridging Medical Data Inference to Achilles Tendon Rupture Rehabilitation

no code implementations • 7 Dec 2016 • An Qu, Cheng Zhang, Paul Ackermann, Hedvig Kjellström

Imputing incomplete medical tests and predicting patient outcomes are crucial for guiding the decision making for therapy, such as after an Achilles Tendon Rupture (ATR).

Collaborative Filtering Decision Making +3