Lorentz invariance 1photon quantum mechanics 1position operator 1quantum field theory 1wavefunction 1
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quant-ph2026
Photon quantum mechanics with a position observable
Margaret Hawton
The paper develops a Lorentz‑invariant quantum theory for photons, defining a photon position operator and showing how the probability of finding a photon in a region relates to th…
quant-ph2025
Covariant photon current
Margaret Hawton
Based on the physical interpretation of the photon continuity equation derived in [M. Hawton, Phys. Rev. A 109, 062221 (2024) ] the standard Lagrangian is second quantized to obtai…
quant-ph2024
Conserved photon current
Margaret Hawton
A conserved photon current is derived from the commutation relations satisfied by the electromagnetic four-potential and field tensor operators. The density is found to be a sum ov…