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Global Branches of Travelling-Waves to a Gross--Pitaevskii--Schrödinger System in One Dimension
Mihai Maris
Source abstract
We are interested in the existence of travelling-wave solutions to a system which modelizes the motion of an uncharged impurity in a Bose condensate. We prove that in space dimension one, there exist travelling-waves moving with velocity c if and only if c is less than the sound velocity at infinity. In this case we investigate the structure of the set of travelling-waves and we show that it contains global subcontinua in appropriate Sobolev spaces.
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