Abstract:Ultracold potassium is a promising candidate for quantum technological applications as it allows changing intra-atomic interactions via low-field magnetic Feshbach resonances. However, the realization of high-flux sources of Bose-Einstein condensates remains challenging due to the necessity of optical trapping to use a Feshbach resonance. We investigate the production of all-optical 39 K Bose-Einstein condensates under different scattering lengths using a low-field Feshbach resonance near 33 G. By tuning the s… Show more
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