Atom optics with rotating Bose-Einstein condensates I. Josopait, Ł. Dobrek, L. Santos, A. Sanpera and M. Lewenstein Eur. Phys. J. D, 22 3 (2003) 385-391 Published online: 11 February 2003 DOI: 10.1140/epjd/e2003-00044-6