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Non-monotone particle density of exact solitary wave in BEC with non-monotone trapping potential

In this paper, we study such kinds of non-monotone trapping potentials under which the solitary wave and its particle density in Bose-Einstein condensates (BEC) with attractive atom-atom interactions are non-monotone positive functions. It continues some recent results about the non-monotonic behaviour of particle density in BEC with non-monotone trapping potential and inhomogeneous nonlinearity.

Bose-Einstein condensate; inhomogeneous nonlinearity; non-monotone potential; non-monotonic behaviour of particle density; exact solution

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