"QED A Proof of Renormalizability"

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Beschreibung

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 Nicolò 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.

Inhalt
The GN tree expansion and UV-renormalization.- Loop regularization.- Ward identities.- The limits ? ? ? and U ? ?.- The tree expansion in the infrared regime.- QED without cutoffs.- Local borel summability.

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Produktinformationen

Titel
"QED A Proof of Renormalizability"
Autor
EAN
9783662136638
ISBN
3662136635
Format
Kartonierter Einband
Herausgeber
Springer Berlin Heidelberg
Anzahl Seiten
188
Gewicht
335g
Größe
H244mm x B170mm x T10mm
Jahr
2014
Untertitel
Englisch
Auflage
Softcover reprint of the original 1st ed. 1988
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