Spatial structure and angular momentum of electro-magnetic wave radiated from a relativistic electron moving on a spiral orbit

DOI Web Site 1 Citations 23 References Open Access
  • Salehi Elham
    Institute for Molecular Science, National Institutes of Natural Sciences
  • Katoh Masahiro
    Institute for Molecular Science, National Institutes of Natural Sciences Hiroshima University

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<p>We derive analytic expressions for the vector potential of electromagnetic wave radiated from a relativistic electron moving on a spiral orbit under an approximation that the velocity along the spiral orbit is much larger than that perpendicular to the axis. Based on this expression, we show that the electromagnetic wave has a spiral wave front and carries angular momentum.</p>

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