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- Massachusetts Institute of TechnologyUS329 papers
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11 papers · 1 filter
Two-species mixture of quantum degenerate Bose and Fermi gases
Z. Hadzibabic, C. A. Stan, K. Dieckmann +4
We have produced a macroscopic quantum system in which a Li-6 Fermi sea coexists with a large and stable Na-23 Bose-Einstein condensate. This was accomplished using inter-species s…
Vortices near surfaces of Bose-Einstein condensates
J. R. Anglin
The theory of vortex motion in a dilute superfluid of inhomogeneous density demands a boundary layer approach, in which different approximation schemes are employed close to and fa…
Experimental observation of the Bogoliubov transformation for a Bose-Einstein condensed gas
J. M. Vogels, K. Xu, C. Raman +2
Phonons with wavevector were optically imprinted into a Bose-Einstein condensate. Their momentum distribution was analyzed using Bragg spectroscopy with a high momentum t…
Transport of Bose-Einstein Condensates with Optical Tweezers
T. L. Gustavson, A. P. Chikkatur, A. E. Leanhardt +4
We have transported gaseous Bose-Einstein condensates over distances up to 44 cm. This was accomplished by trapping the condensate in the focus of an infrared laser and translating…
Formation and Decay of Vortex Lattices in Bose-Einstein Condensates at Finite Temperatures
J. R. Abo-Shaeer, C. Raman, W. Ketterle
The dynamics of vortex lattices in stirred Bose-Einstein condensates have been studied at finite temperatures. The decay of the vortex lattice was observed non-destructively by mon…
How to be master of your domains
J. R. Anglin
Prepare a two-species BEC in a perfectly phase-mixed state. By applying Rabi drives, one can tune the range of wavelengths of phase-separating excitations that are dynamically unst…