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  A magneto-optical trap for the preparation of a three-component Fermi gas in an optical lattice

Ries, M. G. (2010). A magneto-optical trap for the preparation of a three-component Fermi gas in an optical lattice. Diploma Thesis, Ruprecht-Karls-Universität, Heidelberg.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-72D2-8 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-72D3-6
Genre: Thesis

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 Creators:
Ries, Martin Gerhard1, Author           
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1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              

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 Abstract: This thesis reports on the first steps towards the preparation of an ultracold threecomponent Fermi gas of 6Li in an optical lattice. A vacuum chamber and a magneto-optical trap (MOT) for 6Li were set up and characterized. The MOT will serve as a first trapping and cooling stage, from which atoms can be loaded into an optical dipole trap for further cooling. The crucial parameters of the apparatus are a high MOT loading rate for fast experiment cycles, and a low background pressure, which will provide an undisturbed environment and thus a long lifetime for atoms in the lattice. The loading rate of the MOT was measured to be L ~ 3 x 108 atoms/s at an oven temperature of Toven = 350 C, which exceeds current state of the art experiments and will allow for loading times of less than one second in the planned experiments. The background collision limited lifetime of atoms in the MOT is t ~ 23 min. Collisions with the background gas are therefore not expected to be a limiting factor for the lifetime of atoms in the optical lattice.

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Language(s): eng - English
 Dates: 2010
 Publication Status: Accepted / In Press
 Pages: VIII, 78 S. : Ill., graph. Darst.
 Publishing info: Heidelberg : Ruprecht-Karls-Universität
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 510710
 Degree: Diploma

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