Published July 25, 2008
| Published
Journal Article
Open
Tunable Miscibility in a Dual-Species Bose-Einstein Condensate
- Creators
- Papp, S. B.
- Pino, J. M.
- Wieman, C. E.
Chicago
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Abstract
We report on the observation of controllable phase separation in a dual-species Bose-Einstein condensate with 85Rb and 87Rb. Interatomic interactions between the different components determine the miscibility of the two quantum fluids. In our experiments, we can clearly observe immiscible behavior via a dramatic spatial separation of the two species. Furthermore, a magnetic-field Feshbach resonance is used to change them between miscible and immiscible by tuning the 85Rb scattering length. The spatial density pattern of the immiscible quantum fluids exhibits complex alternating-domain structures that are uncharacteristic of its stationary ground state.
Additional Information
©2008 The American Physical Society. (Received 19 February 2008; published 24 July 2008) We gratefully acknowledge useful discussions with Shai Ronen, Mark Edwards, Deborah Jin, and Eric Cornell. This work has been supported by NSF and ONR.Attached Files
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Additional details
- Eprint ID
- 11574
- Resolver ID
- CaltechAUTHORS:PAPprl08
- National Science Foundation
- Office of Naval Research
- Created
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2008-09-07Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field