Boson-fermion mixtures in two-color optical dipole traps.

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We propose the use of a combined optical dipole trap to achieve Fermi degeneracy by sympathetic cooling with a different bosonic species. Two far-detuned pairs of laser beams focused on the atomic clouds are used to confine the two atomic species with different trapping strengths. We show that a deep Fermi degeneracy regime can be potentially achieved earlier than Bose-Einstein condensation, as discussed in the favorable situation of a {sup 6}L i-{sup 23}Na mixture. This opens up the possibility of experimentally investigating a mixture of superfluid Fermi and normal Bose gases.

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20 p.

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Onofrio, R. (Roberto) & Presilla, Carlo January 1, 2002.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 16 times , with 5 in the last month . More information about this article can be viewed below.

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Description

We propose the use of a combined optical dipole trap to achieve Fermi degeneracy by sympathetic cooling with a different bosonic species. Two far-detuned pairs of laser beams focused on the atomic clouds are used to confine the two atomic species with different trapping strengths. We show that a deep Fermi degeneracy regime can be potentially achieved earlier than Bose-Einstein condensation, as discussed in the favorable situation of a {sup 6}L i-{sup 23}Na mixture. This opens up the possibility of experimentally investigating a mixture of superfluid Fermi and normal Bose gases.

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20 p.

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  • Submitted to: ICAP 2002, Eighteenth International Conference on Atomic Physics

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  • Report No.: LA-UR-02-4467
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976231
  • Archival Resource Key: ark:/67531/metadc929107

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 10:44 p.m.

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Onofrio, R. (Roberto) & Presilla, Carlo. Boson-fermion mixtures in two-color optical dipole traps., article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc929107/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.