Power counting degree versus singular order in the Schwinger model

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dc.creatorAste, Andreas
dc.creatorScharf, G"unter
dc.creatorWalther, Urs
dc.date1998-05-05
dc.date.accessioned2026-07-07T04:24:33Z
dc.date.available2026-07-07T04:24:33Z
dc.descriptionThe importance of a rigorous definition of the singular degree of a distribution is demonstrated on the case of two-dimensional QED (Schwinger model). Correct mathematical treatment of second order vacuum polarization in the perturbative approach is crucial in order to obtain the Schwinger mass of the photon by resummation.
dc.description5 pages, LaTeX, no figures. To appear in Lett. Math. Phys
dc.identifierhttps://arxiv.org/abs/hep-th/9805022
dc.identifierhttp://arxiv.org/abs/hep-th/9805022
dc.identifierNuovo Cim. A111 (1998) 323-327
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/55456
dc.subjectHigh Energy Physics - Theory
dc.titlePower counting degree versus singular order in the Schwinger model
dc.typetext

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