Ballistic matter waves with angular momentum: Exact solutions and applications

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dc.creatorBracher, Christian
dc.creatorKramer, Tobias
dc.creatorKleber, Manfred
dc.date2002-07-18
dc.date2002-08-28
dc.date.accessioned2026-07-07T06:32:19Z
dc.date.available2026-07-07T06:32:19Z
dc.descriptionAn alternative description of quantum scattering processes rests on inhomogeneous terms amended to the Schroedinger equation. We detail the structure of sources that give rise to multipole scattering waves of definite angular momentum, and introduce pointlike multipole sources as their limiting case. Partial wave theory is recovered for freely propagating particles. We obtain novel results for ballistic scattering in an external uniform force field, where we provide analytical solutions for both the scattering waves and the integrated particle flux. Our theory directly applies to p-wave photodetachment in an electric field. Furthermore, illustrating the effects of extended sources, we predict some properties of vortex-bearing atom laser beams outcoupled from a rotating Bose-Einstein condensate under the influence of gravity.
dc.description42 pages, 8 figures, extended version including photodetachment and semiclassical theory
dc.identifierhttps://arxiv.org/abs/quant-ph/0207105
dc.identifierhttp://arxiv.org/abs/quant-ph/0207105
dc.identifierPhys. Rev. A vol. 67 043601 (2003)
dc.identifierdoi:10.1103/PhysRevA.67.043601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/98868
dc.subjectQuantum Physics
dc.titleBallistic matter waves with angular momentum: Exact solutions and applications
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