Rabi flopping induces spatial demixing dynamics

Details Rabi flopping induces spatial demixing dynamics Rabi flopping induces spatial demixing dynamics

2011-09-26

arxiv.org/abs/1109.5601v1

Physics

Condensed Matter

Quantum Gases

4 pages, 4 figures

Scientific paper

We experimentally investigate the mixing/demixing dynamics of Bose-Einstein condensates in the presence of a linear coupling between two internal states. The observed amplitude reduction of the Rabi oscillations can be understood as a result of demixing dynamics of dressed states as experimentally confirmed by reconstructing the spatial profile of dressed state amplitudes. The observations are in quantitative agreement with numerical integration of coupled Gross-Pitaevskii equations without free parameters, which also reveals the criticality of the dynamics on the symmetry of the system. Our observations demonstrate new possibilities for changing effective atomic interactions and studying critical phenomena.

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