Tuning the scattering length with an optically induced Feshbach resonance

M. Theis, G. Thalhammer, K. Winkler +4

We demonstrate optical tuning of the scattering length in a Bose-Einstein condensate as predicted by Fedichev {\em et al.} [Phys. Rev. Lett. {\bf 77}, 2913 (1996)]. In our experime…