Two-Fermion Bound States within the Bethe-Salpeter Approach

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dc.creatorDorkin, S. M.
dc.creatorBeyer, M.
dc.creatorSemikh, S. S.
dc.creatorKaptari, L. P.
dc.date2007-08-16
dc.date.accessioned2026-07-07T11:41:54Z
dc.date.available2026-07-07T11:41:54Z
dc.descriptionTo solve the spinor-spinor Bethe-Salpeter equation in Euclidean space we propose a novel method related to the use of hyperspherical harmonics. We suggest an appropriate extension to form a new basis of spin-angular harmonics that is suitable for a representation of the vertex functions. We present a numerical algorithm to solve the Bethe-Salpeter equation and investigate in detail the properties of the solution for the scalar, pseudoscalar and vector meson exchange kernels including the stability of bound states. We also compare our results to the non relativistic ones and to the results given by light front dynamics.
dc.description32 pages, XIII Tables, 8 figures
dc.identifierhttps://arxiv.org/abs/0708.2146
dc.identifierhttp://arxiv.org/abs/0708.2146
dc.identifierFewBodySyst.42:1-32,2008
dc.identifierdoi:10.1007/s00601-008-0196-8
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/200698
dc.subjectNuclear Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTwo-Fermion Bound States within the Bethe-Salpeter Approach
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