The Canonical Quantization of the Free Electromagnetic Field in the Landau Gauge
Open Access
- 1 October 1967
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 38 (4) , 871-880
- https://doi.org/10.1143/ptp/38.4.871
Abstract
The canonical formalism of the electromagnetic field in the Landau gauge is studied. Unlike the case of Nakanishi, the dipole ghost states are not introduced. The singular character of the longitudinal and scalar components are pointed out, and the difficulty originated from the unnormalizable norm of the state vectors are evaded by an appropriate limiting procedure. The interacting case is also discussed in the interaction representation.Keywords
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- Theory of Longitudinal Photons in Quantum ElectrodynamicsProceedings of the Physical Society. Section A, 1950