Pulsed pumping of a Bose-Einstein condensate

Abstract

In this work, we examine a system for coherent transfer of atoms into a Bose-Einstein condensate. We utilize two spatially separate Bose-Einstein condensates in different hyperfine ground states held in the same dc magnetic trap. By means of a pulsed transfer of atoms, we are able to show a clear resonance in the timing of the transfer, both in temperature and number, from which we draw conclusions about the underlying physical process. The results are discussed in the context of the recently demonstrated pumped atom laser.

5 pages, 5 figures, published in Physical Review A

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• Correlations and Counting Statistics of an Atom Laser
• A pumped atom laser
• Raman Amplification of Matter Waves
• Beam quality of a non-ideal atom laser
• Spatial effects in superradiant Rayleigh scattering from Bose-Einstein condensates
• Achieving peak brightness in an atom laser
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• Ramsey interferometry with an atom laser
• Stationary states in the many-particle description of Bose-Einstein condensates with balanced gain and loss
• Experimental comparison of Raman and RF outcouplers for high flux atom lasers
• Realization of balanced gain and loss in a time-dependent four-mode Bose-Hubbard model
• Balanced gain and loss in spatially extended non-$\mathcal{P}\mathcal{T}$-symmetric multi-well potentials
• Analogue gravitational lensing in optical Bose-Einstein condensates