Dynamical excitation of maxon and roton modes in a Rydberg-Dressed Bose-Einstein Condensate
Gary McCormack,
Rejish Nath,
Weibin Li
Abstract:We investigate the dynamics of a three-dimensional Bose-Einstein condensate of ultracold atomic gases with a soft-core shape long-range interaction, which is induced by laser dressing the atoms to a highly excited Rydberg state. For a homogeneous condensate, the long-range interaction drastically alters the dispersion relation of the excitation, supporting both roton and maxon modes. Rotons are typically responsible for the creation of supersolids, while maxons are normally dynamically unstable in BECs with di… Show more
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