Testing of the backward wave oscillator model by using the spectral characteristics of VLF chorus elements

Авторы: Titova E., Kozelov B., Demekhov A., Santolik O., Macusova E., Rauch J.L., Trotignon J.G., Gurnett D., Pickett J.
Сборник: General Assembly and Scientific Symposium, 2011 XXXth URSI
Год издания: 2011
Первая страница: 1
Последняя страница: 4
DOI: 10.1109/URSIGASS.2011.6051150
Аннотация: A generation mechanism for chorus was suggested by Trakhtengerts (1995) on the basis of the backward wave oscillator (BWO) regime of the magnetospheric cyclotron maser. According to this model, step-like deformation on the electron distribution function is the most important factor of chorus generation, but such a feature is very difficult to observe. By measuring the frequency sweep rates in chorus elements detected by the Cluster spacecraft we determine the mean values and distributions of a dimensionless parameter characterizing the step feature. These values are in agreement with the results of numerical simulations of chorus elements based on the BWO model.
Добавил в систему: Демехов Андрей Геннадьевич

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