Abstract
SIR J. J. THOMSON draws a picture of the quantum of light originating when an electron falls from one energy level within the atom to another. The electron would oscillate about the new level, emitting the energy due to its fall in the form of a photon, consisting of a train of circular lines of (electric) force. The centres of these circles would move along a straight line with the velocity of light arid the circles themselves would move at right angles to their plane. The energy in the wave front would be concentrated round the axis and thus confined within a cylindrical pencil, without radial flow of energy extending throughout space.
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Points from Foregoing Letters. Nature 137, 238 (1936). https://doi.org/10.1038/137238a0
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DOI: https://doi.org/10.1038/137238a0