The European Physical Journal D

, Volume 65, Issue 1–2, pp 3–9 | Cite as

Production of a dual-species Bose-Einstein condensate of Rb and Cs atoms

  • A. D. Lercher
  • T. Takekoshi
  • M. Debatin
  • B. Schuster
  • R. Rameshan
  • F. Ferlaino
  • R. Grimm
  • H. -C. Nägerl
Regular Article Bose-Einstein condensates

Abstract

We report the simultaneous production of Bose-Einstein condensates (BECs) of 87Rb and 133Cs atoms in separate optical traps. The two samples are mixed during laser cooling and loading but are separated by 400 μm for the final stage of evaporative cooling. This is done to avoid considerable interspecies three-body recombination, which causes heating and evaporative loss. We characterize the BEC production process, discuss limitations, and outline the use of the dual-species BEC in future experiments to produce rovibronic ground state molecules, including a scheme facilitated by the superfluid-to-Mott-insulator (SF-MI) phase transition.

Keywords

87Rb Laser Cool Trap Depth Dipole Trap Ground State Molecule 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • A. D. Lercher
    • 1
  • T. Takekoshi
    • 1
  • M. Debatin
    • 1
  • B. Schuster
    • 1
  • R. Rameshan
    • 1
  • F. Ferlaino
    • 1
  • R. Grimm
    • 1
    • 2
  • H. -C. Nägerl
    • 1
  1. 1.Institut für ExperimentalphysikUniversität InnsbruckInnsbruckAustria
  2. 2.Institut für Quantenoptik und QuanteninformationÖsterreichische Akademie der WissenschaftenInnsbruckAustria

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