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Infrared divergence enforces a rearranged perturbation expansion I Scalar electrodynamics

It is shown that the ordinary perturbation expansion must, except in certain cases, be rearranged in order to carry out uniquely the infrared exponentiation in a translation- and gauge-invariant way. The uniqueness of the exponent of order alpha follows from requiring exact order-by-order agreement...

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Detalles Bibliográficos
Autor principal: Matsson, L
Lenguaje:eng
Publicado: 1977
Materias:
Acceso en línea:http://cds.cern.ch/record/878588