Papp, S. B. and Pino, J. M. and Wieman, C. E. (2008) Tunable Miscibility in a Dual-Species Bose-Einstein Condensate. Physical Review Letters, 101 (4). Art. No. 040401. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:PAPprl08
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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.
| Item Type: | Article |
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| 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. |
| Record Number: | CaltechAUTHORS:PAPprl08 |
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:PAPprl08 |
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
| Metadata Review: | All Records > Caltech Library Services |
| ID Code: | 11574 |
| Collection: | CaltechAUTHORS |
| Deposited By: | Archive Administrator |
| Deposited On: | 07 Sep 2008 00:41 |
| Last Modified: | 29 Nov 2009 21:42 |
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