QED A Proof of Renormalizability

Joel S. Feldman,Thomas R. Hurd,Lon Rosen,Jill D. Wright

QED A Proof of Renormalizability
Format
Paperback
Publisher
Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Country
Germany
Published
23 August 2014
Pages
176
ISBN
9783662136638

QED A Proof of Renormalizability

Joel S. Feldman,Thomas R. Hurd,Lon Rosen,Jill D. Wright

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The authors give a detailed and pedagogically well written proof of the renormalizability of quantum electrodynamics in four dimensions. The proof is based on the free expansion of Gallavotti and Nicolo and is mathematically rigorous as well as impressively general. It applies to rather general models of quantum field theory including models with infrared or ultraviolet singularities, as shown in this monograph for the first time. Also discussed are the loop regularization for renormalized graphs and the Ward identities. The authors also establish that in QED in four dimensions only gauge invariant counterterms are required. This seems to be the first proof which will be accessible not only to the expert but also to the student.

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