Summary
Electrodynamics for extended quantum space-time spin-1/2 excitons corresponding to the ground state of Born’s quantum metric operators contains only finite renormalization constants. Infinities emerge only in a sharp-point limit that formally represents the limiting case of pointlike excitons.
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Supported in part by the NSERC Research Grant No. A 5206.
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Prugovečki, E. Finite charge and field renormalizations in reciprocally invariant quantum electrodynamics. Lett. Nuovo Cimento 37, 501–504 (1983). https://doi.org/10.1007/BF02751799
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DOI: https://doi.org/10.1007/BF02751799