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

G. A. El; A. M. Kamchatnov

doi:10.1016/j.physleta.2005.08.099

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

G. A. El·A. M. Kamchatnov

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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.

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G. A. El, A. M. Kamchatnov. 2006-01-25. Spatial dispersive shock waves generated in supersonic flow of Bose-Einstein condensate past slender body. https://doi.org/10.1016/j.physleta.2005.08.099

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