Infrared Divergence in Quantum Electrodynamics
- 22 November 1965
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 140 (4B), B1110-B1122
- https://doi.org/10.1103/physrev.140.b1110
Abstract
The infrared divergences of quantum electrodynamics are eliminated to all orders of perturbation theory in the matrix elements by an appropriate choice of initial and final soft photon states. The condition for this cancellation restricts these states to representations of the canonical commutation rules which are unitarily inequivalent to the usual Fock representation.Keywords
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- REMARKS ON A HILBERT SPACE OF ANALYTIC FUNCTIONSProceedings of the National Academy of Sciences of the United States of America, 1962
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