Excitation Modes of Bright Matter-Wave Solitons.

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2019
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Abstract
We experimentally study the excitation modes of bright matter-wave solitons in a quasi-one-dimensional geometry. The solitons are created by quenching the interactions of a Bose-Einstein condensate of cesium atoms from repulsive to attractive in combination with a rapid reduction of the longitudinal confinement. A deliberate mismatch of quench parameters allows for the excitation of breathing modes of the emerging soliton and for the determination of its breathing frequency as a function of atom number and confinement. In addition, we observe signatures of higher-order solitons and the splitting of the wave packet after the quench. Our experimental results are compared to analytical predictions and to numerical simulations of the one-dimensional Gross-Pitaevskii equation.
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di-carli2019excitationphysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Di Carli, Andrea;Colquhoun, Craig D;Henderson, Grant;Flannigan, Stuart;Oppo, Gian-Luca;Daley, Andrew J;Kuhr, Stefan;Haller, Elmar;
Journal physical review letters
Year 2019
DOI
10.1103/PhysRevLett.123.123602
URL
Keywords
bose-einstein condensate condensed matter physics fluid dynamics superradiance vortex

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