174 citations · 714 across the 7 of their papers we have counts for
7 papers
Localized magnetic moments with tunable spin exchange in a gas of ultracold fermions
Luis Riegger, Nelson Darkwah Oppong, Moritz Höfer +3
We report on the experimental realization of a state-dependent lattice for a two-orbital fermionic quantum gas with strong interorbital spin exchange. In our state-dependent lattic…
Direct probing of the Mott crossover in the SU() Fermi-Hubbard model
Christian Hofrichter, Luis Riegger, Francesco Scazza +4
The Fermi-Hubbard model (FHM) is a cornerstone of modern condensed matter theory. Developed for interacting electrons in solids, which typically exhibit SU() symmetry, it descri…
Observation of an orbital interaction-induced Feshbach resonance in 173-Yb
M. Höfer, L. Riegger, F. Scazza +6
We report on the experimental observation of a novel inter-orbital Feshbach resonance in ultracold 173-Yb atoms, which opens the possibility of tuning the interactions between the…
Simultaneous sub-Doppler laser cooling of fermionic Li and K on the D line: Theory and Experiment
Franz Sievers, Norman Kretzschmar, Diogo Rio Fernandes +7
We report on simultaneous sub-Doppler laser cooling of fermionic Li and K using the D optical transitions. We compare experimental results to a numerical simulation…
Sub-Doppler laser cooling of fermionic 40K atoms in three-dimensional gray optical molasses
Diogo Rio Fernandes, Franz Sievers, Norman Kretzschmar +3
We demonstrate sub-Doppler cooling of 40K on the D_1 atomic transition. Using a gray molasses scheme, we efficiently cool a compressed cloud of 6.5x10^8 atoms from ~ 4\mK to 20uK i…
Photoassociative creation of ultracold heteronuclear 6Li40K* molecules
Armin Ridinger, Saptarishi Chaudhuri, Thomas Salez +5
We investigate the formation of weakly bound, electronically excited, heteronuclear 6Li40K* molecules by single-photon photoassociation in a magneto-optical trap. We performed trap…
Large atom number dual-species magneto-optical trap for fermionic 6Li and 40K atoms
Armin Ridinger, Saptarishi Chaudhuri, Thomas Salez +5
We present the design, implementation and characterization of a dual-species magneto-optical trap (MOT) for fermionic 6Li and 40K atoms with large atom numbers. The MOT simultaneou…