Non-uniqueness of phase shift in central scattering due to monodromy

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dc.creatorDullin, Holger R.
dc.creatorWaalkens, Holger
dc.date2008-07-16
dc.date.accessioned2026-07-07T11:44:50Z
dc.date.available2026-07-07T11:44:50Z
dc.descriptionScattering at a central potential is completely characterized by the phase shifts which are the differences in phase between outgoing scattered and unscattered partial waves. In this letter it is shown that, for 2D scattering at a repulsive central potential, the phase shift cannot be uniquely defined due to a topological obstruction which is similar to monodromy in bound systems.
dc.descriptionto appear in PRL
dc.identifierhttps://arxiv.org/abs/0807.2489
dc.identifierhttp://arxiv.org/abs/0807.2489
dc.identifierPhys.Rev.Lett.101:070405,2008
dc.identifierdoi:10.1103/PhysRevLett.101.070405
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201693
dc.subjectMathematical Physics
dc.subject70H; 81U
dc.titleNon-uniqueness of phase shift in central scattering due to monodromy
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