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10 papers · 1 filter
Ultracold coherent control of molecular collisions at a Förster resonance
Thibault Delarue, Goulven Quéméner
We show that the precise preparation of a quantum superposition between three rotational states of an ultracold dipolar molecule generates controllable interferences in their two-b…
Experimental perspectives on the matter-antimatter asymmetry puzzle: developments in electron EDM and antihydrogen experiments
Daniel Comparat, Chloé Malbrunot, Stephan Malbrunot-Ettenauer +2
In the search for clues to the matter-antimatter puzzle, experiments with atoms or molecules play a particular role. These systems allow measurements with very high precision, as d…
Positronium laser cooling via the - transition with a broadband laser pulse
L. T. Glöggler, N. Gusakova, B. Rienäcker +49
We report on laser cooling of a large fraction of positronium (Ps) in free-flight by strongly saturating the - transition with a broadband, long-pulsed 243 nm alexandri…
Comparative analysis of recirculating and collimating cesium ovens
Raphaël Hahn, Thomas Battard, Oscar Boucher +8
We have performed a study of several cesium oven designs. A comparison between recirculating (or sticking-wall) or collimating (or reemitting-wall) ovens is made in order to extrac…
High repetition rate sub ns-electron pulses from Resonant Pulsed Rydberg Field Ionization
R. Hahn, D. Comparat
Using Resonant Pulsed Rydberg Field-ionization (RPRFI) technique, we generate low-energy electron bunches at high repetition rates. By combining continuous-wave laser excitation wi…
Long-range gates via radio-frequency-induced Förster resonances
I. N. Ashkarin, S. Lepoutre, P. Pillet +3
Registers of trapped neutral atoms, excited to Rydberg states to induce strong long-distance interactions, are extensively studied for direct applications in quantum computing. Her…