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Rotation of electromagnetic fields and the nature of optical angular momentum

Barnett, Stephen M. (2010) Rotation of electromagnetic fields and the nature of optical angular momentum. Journal of Modern Optics, 57 (14-15). pp. 1339-1343. ISSN 0950-0340

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    Abstract

    The association of spin and orbital angular momenta of light with its polarization and helical phase fronts is now well established. The problems in linking this with electromagnetic theory, as expressed in Maxwell's equations, are rather less well known. We present a simple analysis of the problems involved in defining spin and orbital angular momenta for electromagnetic fields and discuss some of the remaining challenges. Crucial to our investigation is the duplex symmetry between the electric and magnetic fields.

    Item type: Article
    ID code: 28931
    Notes: Previously published as: Optica Acta: International Journal of Optics (0030-3909) until 1987
    Keywords: optical angular momentum, light, radiation, beams, spin, Physics, Atomic and Molecular Physics, and Optics
    Subjects: Science > Physics
    Department: Faculty of Science > Physics
    Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 28 Mar 2011 11:22
    Last modified: 27 Mar 2014 11:21
    URI: http://strathprints.strath.ac.uk/id/eprint/28931

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