Perturbative renormalization of QED via flow equations - INSPIRE

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Perturbative renormalization of QED via flow equations

G. Keller
(
- Munich, Max Planck Inst.
)
,
Christoph Kopper
(
- Gottingen U.
)

Aug, 1991

10 pages

Published in:

Phys.Lett.B 273 (1991) 323-332

Published: 1991

DOI:

10.1016/0370-2693(91)91692-O

Report number:

MPI-PH-91-58

View in:

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Abstract: (Elsevier)

We prove the perturbative renormalizability of euclidean QED 4 with a small photon mass in the framework of effective lagrangians due to Wilson and Polchinski. In particular we show that the QED Ward identities, which become violated by our momentum space regularization at intermediate stages, are restored in the renormalized theory.

quantum electrodynamics: Euclidean
renormalization
perturbation theory
photon: mass
mass: photon
effective Lagrangian
Ward identity
regularization

References(7)

Figures(0)

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