58 citations · 243 across the 12 of their papers we have counts for
10 papers · 1 filter
Reinforcement Learning in Ultracold Atom Experiments
Malte Reinschmidt, József Fortágh, Andreas Günther +1
Cold atom traps are at the heart of many quantum applications in science and technology. The preparation and control of atomic clouds involves complex optimization processes, that…
Bichromatic state-dependent disordered potential for Anderson localization of ultracold atoms
Baptiste Lecoutre, Yukun Guo, Xudong Yu +5
The ability to load ultracold atoms at a well-defined energy in a disordered potential is a crucial tool to study quantum transport, and in particular Anderson localization. In thi…
Ultracold Atoms in Disordered Potentials: Elastic Scattering Time in the Strong Scattering Regime
Adrien Signoles, Baptiste Lecoutre, Jérémie Richard +8
We study the elastic scattering time of ultracold atoms propagating in optical disordered potentials in the strong scattering regime, going beyond the recent work of…
Elastic Scattering Time of Matter-Waves in Disordered Potentials
Jérémie Richard, Lih-King Lim, Vincent Denechaud +8
We report on an extensive study of the elastic scattering time $\tauS$ of matter-waves in optical disordered potentials. Using direct experimental measurements, numerical simulatio…
Measurement of spectral functions of ultracold atoms in disordered potentials
Valentin V. Volchkov, Michael Pasek, Vincent Denechaud +4
We report on the measurement of the spectral functions of noninteracting ultracold atoms in a three-dimensional disordered potential resulting from an optical speckle field. Varyin…
Suppression and Revival of Weak Localization through Control of Time-Reversal Symmetry
Kilian Müller, Jérémie Richard, Valentin V. Volchkov +4
We report on the observation of suppression and revival of coherent backscattering of ultra-cold atoms launched in an optical disorder and submitted to a short dephasing pulse, as…
Sisyphus cooling in a continuously loaded trap
Valentin V. Volchkov, Jahn Rührig, Tilman Pfau +1
We demonstrate continuous Sisyphus cooling combined with a continuous loading mechanism used to efficiently slow down and accumulate atoms from a guided beam. While the loading its…
Efficient demagnetization cooling of atoms and its limits
Valentin V. Volchkov, Jahn Rührig, Tilman Pfau +1
Demagnetization cooling relies on spin-orbit coupling that brings motional and spin degrees of freedom into thermal equilibrium. In the case of a gas, one has the advantage that th…
Continuous Loading of a Conservative Trap from an Atomic Beam
Markus Falkenau, Valentin V. Volchkov, Jahn Rührig +2
We demonstrate the fast accumulation of Cr atoms in a conservative potential from a magnetically guided atomic beam. Without laser cooling on a cycling transition, a single dissipa…
Laser cooling of a magnetically guided ultra cold atom beam
Anoush Aghajani-Talesh, Markus Falkenau, Valentin V. Volchkov +3
We report on the transverse laser cooling of a magnetically guided beam of ultra cold chromium atoms. Radial compression by a tapering of the guide is employed to adiabatically hea…