Physics – Condensed Matter
Scientific paper
2001-01-05
Physics
Condensed Matter
4 pages, 3 figures
Scientific paper
10.1103/PhysRevLett.86.4733
The relative phase of two initially independent Bose-Einstein condensates can be laser cooled to unite the two condensates by putting them into a ring cavity and coupling them with an internal Josephson junction. First, we show that this phase cooling process already appears within a semiclassical model. We calculate the stationary states, find regions of bistable behavior and suggest a Ramsey-type experiment to measure the build up of phase coherence between the condensates. We also study quantum effects and imperfections of the system.
Cirac Juan Ignacio
Gardiner Simon A.
Jaksch Dieter
Schulze Katrin
Zoller Peter
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