Quasiparticle Energy in a Strongly Interacting Homogeneous Bose-Einstein Condensate
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Abstract
Using two-photon Bragg spectroscopy, we study the energy of particle-like excitations in a strongly interacting homogeneous Bose-Einstein condensate, and observe dramatic deviations from Bogoliubov theory. In particular, at large scattering length
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1079-7114
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The Royal Society (uf110236)
Royal Society (RG120365)
Engineering and Physical Sciences Research Council (EP/N011759/1)
European Research Council (682285)