Dual-species Bose-Einstein condensate of K41 and Rb87 in a hybrid trap

A. Burchianti, C. D'Errico, S. Rosi, A. Simoni, M. Modugno, C. Fort, and F. Minardi
Phys. Rev. A 98, 063616 – Published 12 December 2018

Abstract

We report on the production of a K41Rb87 dual-species Bose-Einstein condensate in a hybrid trap, consisting of a magnetic quadrupole and an optical dipole potential. After loading both atomic species in the trap, we cool down Rb87 first by magnetic and then by optical evaporation, while K41 is sympathetically cooled by elastic collisions with Rb87. We eventually produce two-component condensates with more than 105 atoms and tunable species population imbalance. We observe the immiscibility of the quantum mixture by measuring the density profile of each species after releasing them from the trap.

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  • Received 18 October 2018

DOI:https://doi.org/10.1103/PhysRevA.98.063616

©2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

A. Burchianti1,2, C. D'Errico1,2,*, S. Rosi1,2, A. Simoni3, M. Modugno4,5, C. Fort1,2, and F. Minardi1,2,6

  • 1Istituto Nazionale di Ottica, CNR-INO, 50019 Sesto Fiorentino, Italy
  • 2LENS and Dipartimento di Fisica e Astronomia, Università di Firenze, 50019 Sesto Fiorentino, Italy
  • 3Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
  • 4Departamento de Física Teórica e Historia de la Ciencia, Universidad del Pais Vasco UPV/EHU, 48080 Bilbao, Spain
  • 5IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
  • 6Dipartimento di Fisica e Astronomia, Università di Bologna, 40127 Bologna, Italy

  • *derrico@lens.unifi.it

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Issue

Vol. 98, Iss. 6 — December 2018

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