We present a simple model for the orbital angular momentum of a light beam. Using heuristic arguments, we evaluate the expectation value of such a quantity for a photon. The resulting expression coincides with that derived from Maxwell's equations. Examples are given to illustrate the main points.
Gori, F., Santarsiero, M., Borghi, R., Guattari, G. (1998). Orbital angular momentum of light: a simple view. EUROPEAN JOURNAL OF PHYSICS, 19, 439-444 [10.1088/0143-0807/19/5/005].
Orbital angular momentum of light: a simple view
BORGHI, Riccardo;
1998-01-01
Abstract
We present a simple model for the orbital angular momentum of a light beam. Using heuristic arguments, we evaluate the expectation value of such a quantity for a photon. The resulting expression coincides with that derived from Maxwell's equations. Examples are given to illustrate the main points.File in questo prodotto:
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