Letter | Published:

Heaviside Radiation

Naturevolume 247pages400401 (1974) | Download Citation



IT is now well known that a charged particle, moving through a refracting medium at a speed in excess of the phase velocity of electromagnetic waves, produces radiation. The effect is observed with energetic electrons in water and other media, from cosmic ray particles moving through the atmosphere and may also be a source of very low frequency radio waves in the ionosphere and magnetosphere. Its discovery is usually attributed to Čerenkov1 and its theoretical interpretation to Frank and Tamm2, all three of whom were jointly awarded a Nobel Prize in 1958.

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  1. 1

    Čerenkov, P. A., Dokl. Acad. Nauk S.S.S.R., 2, 451 (1934).

  2. 2

    Frank, I. M., and Tamm, I. Y., Dokl. Acad. Nauk S.S.S.R., 14, 109 (1937).

  3. 3

    Heaviside, O., Electrical Papers, II, 494 (Macmillan, London, 1892) (originally published in The Electrician, 83: November 23, 1888).

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  1. Department of Physics, University of Sheffield, S10 2TN

    • T. R. KAISER


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