Gage invariance of electromagnetic interaction in quantum electrodynamics is consistent with nonzero initial mass of photon; it is shown, that this nevertheless does lead to solution of equation of polarization operator, if Ward's differential identity is satisfied; attempt is made to elucidate under what conditions physical mass of photon should be zero. (see also English translation in Soviet Physics, JETP v 20 n 3 Mar 1965 p 672-4)
Gage invariance and photon mass
Gradientnaya invariantnost i massa fotona
1964
4 pages
Aufsatz (Zeitschrift)
Englisch
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