Nonlinear wave coupling in type IV solar radio bursts |
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| Authors: | Claudio Chiuderi Riccardo Giachetti Hans Rosenberg |
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| Institution: | (1) Osservatorio di Arcetri, Firenze, Italy;(2) Sterrekundig Instituut, Utrecht, The Netherlands |
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| Abstract: | In order to explain a fine structure of parallel ridges in stationary type IV continua, the emission due to the coupling of electrostatic upper hybrid waves and Bernstein waves at the sum frequency of the upper hybrid and harmonics of the gyro frequency has been calculated. If the energy density of these electrostatic waves is of the order of 10-3 times the thermal energy density, then the observed zebra pattern can be emitted by a region with a diameter of  103 km. |
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