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Tunable Miscibility in a Dual-Species Bose-Einstein Condensate

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. https://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
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.101.040402DOIUNSPECIFIED
http://link.aps.org/abstract/PRL/v101/e040402PublisherUNSPECIFIED
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.
Funders:
Funding AgencyGrant Number
National Science FoundationUNSPECIFIED
Office of Naval ResearchUNSPECIFIED
Issue or Number:4
Record Number:CaltechAUTHORS:PAPprl08
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:PAPprl08
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11574
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:07 Sep 2008 07:41
Last Modified:03 Oct 2019 00:20

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