Studies of Ultracold Atoms:BEC with Sodium Atoms – Niels Bohr Institute - University of Copenhagen

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Studies of Ultracold Atoms:BEC with Sodium Atoms

Ph.d.-defence: Carsten Vandel Nielsen

Niels Bohr Institute

Abstract:  

The field of ultracold atomic physics is flourishing!

Spurred by the development of laser cooling and trapping techniques in the eighties, the successful completion of the centennial quest for Bose-Einstein Condensation (BEC) was made in 1995. Since then, the field has exploded into extremely interesting and rewarding research.

 

Initially, I will give a short overview of the current state of the field. The remaining part deals with the details of our experimental setup, the cooling stages toward nano-Kelvin temperatures and the observation of sodium Bose-Einstein condensates in our cloverleaf magnetic trap. Furthermore, a developed method for in-situ characterization of the magnetic trap based on polarization-dependant Zeeman spectroscopy is presented. Finally, I will discuss experiments and modelling of damping and atomic motion in the trap above condensate temperatures.

  

Ph. D. committee:

Professor Peter van der Straten (Universiteit Utrecht)

Professor Anders Kastberg (Umeå Universitet)

Associate professor Jes Henningsen (Københavns Universitet)  (Chairman)

 

Academic advisor: Jan W. Thomsen


 

After the defence there will be a reception on the second floor of
the D-building (HCØ).