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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…
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…
Spin domains in ground state spinor Bose-Einstein condensates
J. Stenger, S. Inouye, D. M. Stamper-Kurn +3
Bose-Einstein condensates of dilute atomic gases, characterized by a macroscopic population of the quantum mechanical ground state, are a new, weakly interacting quantum fluid. In…