Shell-shaped Bose-Einstein condensates realized with dual-species mixtures

A. Wolf, ∗ P. Boegel, M. Meister, A. Balaž, N. Gaaloul, and M.A. Efremov 2 Institute of Quantum Technologies, German Aerospace Center (DLR), 89077 Ulm, Germany Institut für Quantenphysik and Center for Integrated Quantum Science and Technology (IQ ), Universität Ulm, 89081 Ulm, Germany Institute of Physics Belgrade, University of Belgrade, 11080 Belgrade, Serbia Institut für Quantenoptik, Leibniz Universität Hannover, 30167 Hannover, Germany (Dated: October 29, 2021)