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Relativistic-amplitude electromagnetic waves - Beating the “magnetic” barrier
Mahajan S., Lingam M.
Published in American Institute of Physics Inc.
Volume: 25
Issue: 7
The dispersion characteristics of a circularly polarized electromagnetic wave of arbitrary amplitude, propagating in a highly (thermally and kinematically) relativistic plasma, are shown to approach those of a linear wave in an unmagnetized, non-relativistic plasma. Further aided by high relativistic temperatures, the cut-off frequency tends to become negligibly small; as a result, waves with frequencies well below the nominal plasma and the cyclotron frequencies find the plasma to be essentially transparent. This relativistic phenomenon may greatly advance our ability to understand and model the dynamics of a large class of astrophysical and laser-produced high energy density systems. © 2018 Author(s).
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Published in American Institute of Physics Inc.
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