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Arrefecimento um ultracold Fermi Gas opticamente Preso por condução Periódico
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Journal JoVE Ingénierie
Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
DOI:

11:21 min

March 30, 2017

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Chapitres

  • 00:05Titre
  • 00:50Overview of Setup
  • 01:54Magneto-optical Trap Laser and Imaging Laser Preparation
  • 04:25Cooling Atoms with Magneto-optical Trapping: Static MOT
  • 05:20Cooling Atoms: Dynamic Magneto-optical and Optical Dipole Traps
  • 08:29Results: Dependence of Parametric Cooling on the Modulation Time for 6Li at T~1.2 TF
  • 09:55Conclusion

Summary

Traduction automatique

We present a parametric driving method to cool an ultracold Fermi gas in a crossed-beam optical dipole trap. This method selectively removes high-energy atoms from the trap by periodically modulating the trap depth with frequencies that are resonant with the anharmonic components of the trapping potential.

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