SAMOP 2023 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 22: Poster II

Q 22.50: Poster

Dienstag, 7. März 2023, 16:30–19:00, Empore Lichthof

Ultracold Bose gases in temporally and spatially modulated Potentials — •Marco Decker, Erik Bernhart, Marvin Röhrle, and Herwig Ott — Department of Physics and Research center OPTIMAS, RPTU Kaiserslautern-Landau

We investigate Bose-Einstein condensates in spatially and temporally modulated potentials. This allows us to study quantum transport phenomena and quantum scattering problems.

To extend discrete models to continuum physics, we shift from lattice potentials to localized potentials in an optical trap. The potentials are projected onto the atoms with an objective inside the vacuum chamber, which is also used for absorption imaging. The atomic cloud can additionally be imaged via an electron column with high spatial resolution. Additionally, implementing two blue-detuned light sheets, we can furthermore change the trap geometry from 3D to quasi 2D.

Future studies will include time-dependent barriers and local dissipation via the electron column.