Spatial dispersive shock waves generated in supersonic flow of Bose–Einstein condensate past slender body

El, Gennady and Kamchatnov, A.M. (2006) Spatial dispersive shock waves generated in supersonic flow of Bose–Einstein condensate past slender body. Physics Letters A, 350 (3-4). pp. 192-196. ISSN 0375-9601

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Official URL: https://doi.org/10.1016/j.physleta.2005.08.099

Abstract

Supersonic flow of Bose–Einstein condensate past macroscopic obstacles is studied theoretically. It is shown that in the case of large obstacles the Cherenkov cone transforms into a stationary spatial shock wave which consists of a number of spatial dark solitons. Analytical theory is developed for the case of obstacles having a form of a slender body. This theory explains qualitatively the properties of such shocks observed in recent experiments on nonlinear dynamics of condensates of dilute alkali gases.

Item Type: Article
Subjects: F100 Chemistry
F200 Materials Science
F300 Physics
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: John Coen
Date Deposited: 16 Apr 2020 09:36
Last Modified: 16 Apr 2020 09:45
URI: http://nrl.northumbria.ac.uk/id/eprint/42794

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