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Non-existence of photon spin in conventional theory
KTH, School of Electrical Engineering (EES), Centres, Alfvén Laboratory Centre for Space and Fusion Plasma Physics.
2006 (English)In: Communications in Applied Analysis, ISSN 1083-2564, Vol. 10, no 1, 79-84 p.Article in journal (Refereed) Published
Abstract [en]

Maxwell's equations have been used as a guideline in conventional quantum electrodynamics. Also the related Poynting vector has thereby formed the basis for the quantized field momentum. In this letter the conventional theory is applied to the model of a unidirectionally propagating photon, as described in a cylindrical frame of reference. Due to the vanishing electric field divergence of Maxwell's equations in the vacuum, the photon field is then found to be purely transverse, having a Poynting vector and energy flow in the axial direction of propagation only, and leading to the unacceptable result of a nonexisting angular momentum (spin). One possible way of avoiding this shortcoming is provided by a revised electromagnetic theory which includes the additional degree of freedom of a nonzero electric field divergence in the vacuum state.

Place, publisher, year, edition, pages
2006. Vol. 10, no 1, 79-84 p.
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-156374Scopus ID: 2-s2.0-33645759980OAI: oai:DiVA.org:kth-156374DiVA: diva2:766413
Note

QC 20141127

Available from: 2014-11-27 Created: 2014-11-26 Last updated: 2017-12-05Bibliographically approved

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