Large anomalous shifts of potassium-39 Feshbach resonances

Ali Zaheer, Mohammed Bouras, Krzysztof Giergiel +3

We report the observation of large anomalous shifts, up to +7.5 G, of the positions of the 33.6 G and 39.9 G Feshbach resonances in potassium-39 atoms confined in a 1063.9 nm optic…