Dynamics of Component Separation in a Binary Mixture of Bose-Einstein Condensates

Phys. Rev. Lett. 81, 1539 – Published 24 August 1998
D. S. Hall, M. R. Matthews, J. R. Ensher, C. E. Wieman, and E. A. Cornell


We describe the first experiments that study in a controlled way the dynamics of distinguishable and interpenetrating bosonic quantum fluids. We work with a two-component system of Bose-Einstein condensates in the |F=1,mf=-1 and |2,1 spin states of 87Rb. The two condensates are created with complete spatial overlap, and in subsequent evolution they undergo complex relative motions that tend to preserve the total density profile. The motions quickly damp out, leaving the condensates in a steady state with a non-negligible (and adjustable) overlap region.

DOI: http://dx.doi.org/10.1103/PhysRevLett.81.1539

  • Received 2 April 1998
  • Published in the issue dated 24 August 1998

© 1998 The American Physical Society

Authors & Affiliations

D. S. Hall, M. R. Matthews, J. R. Ensher, C. E. Wieman, and E. A. Cornell*

  • JILA, National Institute of Standards and Technology and Department of Physics, University of Colorado, Boulder, Colorado 80309-0440

  • *Quantum Physics Division, National Institute of Standards and Technology.


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