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Gauge covariance and the gauge technique

journal contribution
posted on 2023-05-18, 05:02 authored by Robert DelbourgoRobert Delbourgo, Keck, BW, Parker, CN
It is established that the spectral anasatze for longitudinal Green functions in first approximation of the gauge technique fulfil the covariance properties expected on general grounds in ultraviolet and infrared regimes, but possibly not at intermediate momenta. Explicit calculations in quantum electrodynamics conform these statements.

History

Publication title

Journal of Physics A: Mathematical and General

Volume

14

Issue

4

Pagination

921-929

ISSN

0305-4470

Department/School

School of Natural Sciences

Publisher

Iop Publishing Ltd

Place of publication

Dirac House, Temple Back, Bristol, England, Bs1 6Be

Repository Status

  • Restricted

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