@article{articlef232f11e, title = {Expansion of a quantum gas in a shell trap}, author = {Guo, Yanliang and Gutierrez, Emmanuel David Mercado and Rey, David and Badr, Thomas and Perrin, Aurélien and Longchambon, Laurent and Bagnato, Vanderlei Salvador and Perrin, Hélène and Dubessy, Romain}, year = {2022}, doi = {10.1088/1367-2630/ac919f}, journal = {New Journal of Physics} }