Nonlinear Josephson-type oscillations of a driven, two-component Bose-Einstein condensate

Details Nonlinear Josephson-type oscillations of a driven, two-component Bose-Einstein condensate Nonlinear Josephson-type oscillations of a driven, two-component Bose-Einstein condensate

1998-06-26

arxiv.org/abs/cond-mat/9806337v3

Physics

Condensed Matter

4 pages, 3 figs

Scientific paper

10.1103/PhysRevA.59.R31

We propose an experiment that would demonstrate nonlinear Josephson-type oscillations in the relative population of a driven, two-component Bose-Einstein condensate. An initial state is prepared in which two condensates exist in a magnetic trap, each in a different hyperfine state, where the initial populations and relative phase between condensates can be controlled within experimental uncertainty. A weak driving field is then applied, which couples the two internal states of the atom and consequently transfers atoms back and forth between condensates. We present a model of this system and investigate the effect of the mean field on the dynamical evolution.

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