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Some comments on the divergence of perturbation series in Quantum Eletrodynamics

High Energy Physics - Phenomenology 2010-11-05 v3 High Energy Physics - Theory Quantum Physics

Abstract

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/Nf1/N_f expansion in QED.

Keywords

Cite

@article{arxiv.hep-ph/0508017,
  title  = {Some comments on the divergence of perturbation series in Quantum Eletrodynamics},
  author = {Mofazzal Azam},
  journal= {arXiv preprint arXiv:hep-ph/0508017},
  year   = {2010}
}

Comments

Final Version, To appear in Modern Physics Letters A