Coherent quantum oscillations in coupled traps with ultracold atoms

Details Coherent quantum oscillations in coupled traps with ultracold atoms Coherent quantum oscillations in coupled traps with ultracold atoms

2002-01-18

arxiv.org/abs/cond-mat/0201335v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, 3 figures, ReVTeX

Scientific paper

The dynamics of two traps with ultracold atoms and connected by Josephson type coupling, is shown to exhibit a transition from dispersive dynamics to localized coherent oscillations. This transition is controlled by coupling strength and energy offset between the traps. The dynamics is also shown to be exactly that of a Heisenberg chain with a linear magnetic field. Possible applications for ``quantum-state engineering'' are discussed.

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