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First degenerate Fermi gas in the UK

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First observation: DFG!

Group: Köhl

Authors and contributors: M. Feld, B. Fröhlich, E. Vogt, M. Köhl

In our apparatus we use 40K atoms which we initially prepare in a vapor cell magento-optical trap. Subsequently the atoms are transported into an ultrahigh vacuum chamber, using a pair of moveable magnetic coils. In the ultrahigh vacuum chamber we transfer the atoms into a Ioffe-Pritchard trap in which we perform RF induced evaporative cooling. After transfer into an optical dipole trap and forced evaopration we obtain a quantum degenerate Fermi gas of approximately 10^5 atoms. The final trapping frequencies are approximately 2π*(20,100,300) Hz.

Posted: 15 Dec 2009     Date: 18 Nov 2009

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