Ramsey fringes formation during excitation of topological modes in a Bose-Einstein condensate
arXiv:0704.1953 · doi:10.1016/j.nuclphysa.2007.03.025
Abstract
The Ramsey fringes formation during the excitation of topological coherent modes of a Bose-Einstein condensate by an external modulating field is considered. The Ramsey fringes appear when a series of pulses of the excitation field is applied. In both Rabi and Ramsey interrogations, there is a shift of the population maximum transfer due to the strong non-linearity present in the system. It is found that the Ramsey pattern itself retains information about the accumulated relative phase between both ground and excited coherent modes.
Latex file, 12 pages, 5 figures