Photons and vortices

Author: Tiwari S. C.  

Publisher: Taylor & Francis Ltd

ISSN: 1362-3044

Source: Journal of Modern Optics, Vol.46, Iss.12, 1999-10, pp. : 1721-1731

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Abstract

Representations of asingle photon are critically reviewed, and it is found that none of the existing theories describes it completely. It is argued that a concrete physical model of a photon is necessary to resolve the conceptual problems. A review on the physics of singular light beams brings out the significance of the angular momentum at a fundamental level. It is suggested that this may be useful to develop a photon fluid approach to the electromagnetic fields.