Quantum electrodynamics and light rays

E.C.G. Sudarshan

Physica A: Statistical Mechanics and its Applications, 1979, vol. 96, issue 1, 315-320

Abstract: Light is a quantum electrodynamic entity and hence bundles of rays must be describable in this framework. We demonstrate the duality in the description of elementary optical phenomena in terms of two-point correlation functions and in terms of collections of light rays. The generalizations necessary to deal with two-slit interference and diffraction by a rectangular slit are worked out and the usefulness of the notion of rays of darkness is illustrated.

Date: 1979
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:96:y:1979:i:1:p:315-320

DOI: 10.1016/0378-4371(79)90221-8

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