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Title:
Photon Orbital Angular Momentum in Astrophysics
Authors:
Harwit, Martin
Affiliation:
AA(511 H Street SW, Washington, DC 20024; and Cornell University, Ithaca, NY; )
Publication:
The Astrophysical Journal, Volume 597, Issue 2, pp. 1266-1270. (ApJ Homepage)
Publication Date:
11/2003
Origin:
UCP
ApJ Keywords:
Black Hole Physics, Cosmology: Cosmic Microwave Background, Extraterrestrial Intelligence, Instrumentation: Miscellaneous, ISM: General, Masers
DOI:
10.1086/378623
Bibliographic Code:
2003ApJ...597.1266H

Abstract

Astronomical observations of the orbital angular momentum of photons, a property of electromagnetic radiation that has come to the fore in recent years, have apparently never been attempted. Here I show how measurements of this property of photons have a number of astrophysical applications.
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