Аннотация
Quantum electrodynamics is considered to be a trivial theory. This is based
on a number of evidences, both numerical and analytical. One of the strong
indications for triviality of QED is the existence of the Landau pole for the
running coupling. We show that by treating QED as the leading order
approximation of an effective field theory and including the next-to-leading
order corrections, the Landau pole is removed. Therefore, we conclude that the
conjecture, that for reasons of self-consistency, QED needs to be trivial is a
mere artefact of the leading order approximation to the corresponding effective
field theory.
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