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A modified renormalization procedure which may avoid use of bare parameters

Authors :
Luis P. Chimento
Alejandro S. Jakubi
Source :
Journal of Mathematical Physics. 30:1851-1860
Publication Year :
1989
Publisher :
AIP Publishing, 1989.

Abstract

A new renormalization procedure is introduced via a method that assigns finite values to divergent expressions in quantum field theory. It is shown that this procedure works at the two‐loop level in Feynman diagrams with overlapping divergences. Applications to λφ4 theory and quantum electrodynamics are made. Also, the Casimir effect is evaluated. Comparison of these results with those from standard renormalization methods proves them to be coincident.

Details

ISSN :
10897658 and 00222488
Volume :
30
Database :
OpenAIRE
Journal :
Journal of Mathematical Physics
Accession number :
edsair.doi...........92aa398ee94a24b2232ebeba82c3b011
Full Text :
https://doi.org/10.1063/1.528271