We study the dispersion and radiation damping of waves in a cold magnetized plasma. We give the appropriate analytical formulae for various frequency cases. It is shown that in a strong magnetic field, the decrement of radiation damping of electromagnetic waves with the righthand circular polarization and the decrement of oscillations near the cyclotron and hybrid frequencies, are proportional to the square of the cyclotron frequency. In a weak magnetic field, the radiation damping decrements of all modes are proportional to the square of the plasma frequency.
Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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