Properties of Two-Species Bose Condensates

H. Pu and N. P. Bigelow
Phys. Rev. Lett. 80, 1130 – Published 9 February 1998
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Abstract

We present theoretical studies of a two-species Bose condensate. Using a new numerical method, we have calculated ground state wave functions and show that, due to interspecies interactions, the condensate mixture displays novel behavior not found in a pure condensate. We compared our results with those of the Thomas-Fermi approximation (TFA) and find that under a broad range of conditions the TFA can be reliably used to predict many qualitative features of the condensates. Using our technique, we have modeled a recent JILA experiment on dual spin-state 87Rb condensate. Finally, collective excitations of double condensates are discussed.

  • Received 25 March 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.1130

©1998 American Physical Society

Authors & Affiliations

H. Pu and N. P. Bigelow

  • Department of Physics and Astronomy, and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627

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Vol. 80, Iss. 6 — 9 February 1998

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