Bragg spectroscopy of an accelerating condensate with solitary-wave behaviour

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dc.creatorChallis, K J
dc.creatorBallagh, R J
dc.date2004-10-07
dc.date.accessioned2026-07-07T03:01:20Z
dc.date.available2026-07-07T03:01:20Z
dc.descriptionWe present a theoretical treatment of Bragg spectroscopy of an accelerating condensate in a solitary-wave state. Our treatment is based on the Gross-Pitaevskii equation with an optical potential representing the Bragg pulse and an additional external time-dependent potential generating the solitary-wave behaviour. By transforming to a frame translating with the condensate, we derive an approximate set of equations that can be readily solved to generate approximate Bragg spectra. Our analytic method is accurate within a well defined parameter regime and provides physical insight into the structure of the spectra. We illustrate our formalism using the example of Bragg spectroscopy of a condensate in a time-averaged orbiting potential trap.
dc.description9 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0410168
dc.identifierhttp://arxiv.org/abs/cond-mat/0410168
dc.identifierPhys. Rev. A 71, 033620 (2005)
dc.identifierdoi:10.1103/PhysRevA.71.033620
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25022
dc.subjectOther Condensed Matter
dc.titleBragg spectroscopy of an accelerating condensate with solitary-wave behaviour
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