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Generation of auroral kilometric radiation by a finite-size source in a dipole magnetic field

Burinskaya, T. M.; Shevelev, M. M.

Generation, amplification, and propagation of auroral kilometric radiation in a narrow three-dimensional plasma cavity in which a weakly relativistic electron beam propagates is studied in the geometrical optics approximation. It is shown that the waves that start with a group velocity directed earthward and have optimal relation between the wave …