@article{article0b6cf7d5,
title   = {Ramsey fringes formation during excitation of topological modes in a Bose-Einstein condensate},
author = {Ramos, E. R. F. and Sanz, L. and Yukalov, V. I. and Bagnato, Vanderlei Salvador},
year = {2007},
doi = {10.1016/j.physleta.2007.01.004},
journal   = {Physics Letters A}
}