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Anisotropic dissipation of superfluid flow in a periodically-dressed Bose-Einstein condensate
Dan M. Stamper-Kurn
The introduction of a steady-state spatially-periodic Raman coupling between two components of an ultracold atomic gas produces a dressed-state gas with an anisotropic and tunable…
Dynamic structure factor and momentum distribution of a trapped Bose gas
F. Zambelli, L. P. Pitaevskii, D. M. Stamper-Kurn +1
The dynamic structure factor of a trapped Bose-Einstein condensed gas is investigated at zero temperature in the framework of Bogoliubov theory. Different values of momentum transf…
Excitation of phonons in a Bose-Einstein condensate by light scattering
D. M. Stamper-Kurn, A. P. Chikkatur, A. Görlitz +4
Stimulated small-angle light scattering was used to measure the structure factor of a Bose-Einstein condensate in the phonon regime. The excitation strength for phonons was found t…
Making, probing and understanding Bose-Einstein condensates
W. Ketterle, D. S. Durfee, D. M. Stamper-Kurn
Contribution to the proceedings of the 1998 Enrico Fermi summer school on Bose-Einstein condensation in Varenna, Italy.
Quantum tunneling across spin domains in a Bose-Einstein condensate
D. M. Stamper-Kurn, H. -J. Miesner, A. P. Chikkatur +3
Quantum tunneling was observed in the decay of metastable spin domains in gaseous Bose-Einstein condensates. A mean-field description of the tunneling was developed and compared wi…
Bragg spectroscopy of a Bose-Einstein condensate
J. Stenger, S. Inouye, A. P. Chikkatur +3
Properties of a Bose-Einstein condensate were studied by stimulated, two-photon Bragg scattering. The high momentum and energy resolution of this method allowed a spectroscopic mea…