Some comments on the divergence of perturbation series in Quantum Eletrodynamics
classification
✦ hep-ph
hep-thquant-ph
keywords
seriesdivergenceperturbationalbeitarguedargumentsbeencomments
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It has been argued by Dyson that the perturbation series in coupling constant in QED can not be convergent. We find that similiar albeit slightly different arguments lead to the divergence of the series of $1/N_f$ expansion in QED.
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