Phys. Rev. Lett. 101, 040402 (2008) [4 pages]
Tunable Miscibility in a Dual-Species Bose-Einstein Condensate
Abstract
References (29)
Citing Articles
S. B. Papp, 1 J. M. Pino, 1 and C. E. Wieman2,11JILA, National Institute of Standards and Technology and University of Colorado, Boulder, Colorado 80309-0440, USA
2University of British Columbia, Vancouver, BC V6T 1Z1, Canada
Received 19 February 2008; published 24 July 2008
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.
©2008 The American Physical Society
| URL: |
http://link.aps.org/doi/10.1103/PhysRevLett.101.040402
|
| DOI: |
10.1103/PhysRevLett.101.040402 |
| PACS: |
03.75.Mn;
03.75.Hh;
05.30.Jp
|
REFERENCES (29)
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