Answers are grounded in this paper and cite their sources.
A proposition of Hanbury-Brown and Twiss is shown to imply that interference of light cannot occur unless either the transverse or the longitudinal component of photon momentum is so restricted that the position of the photon becomes so uncertain that the various geometrical paths through the apparatus cannot be distinguished.
No takes yet. Share an insight, caveat, or question.
G. L. Rogers (1962) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: