Overlapping of resonances and stochasticity of electron trajectories in cyclotron masers.
When an electromagnetic (EM) wave has a large amplitude and electrons have a large energy, the electron cyclotron frequency in the process of interaction with an EM wave can vary significantly. This can lead to overlapping of cyclotron resonances at different harmonics. It is shown that such an overlapping causes the stochasticity of electron orbits. Estimates show that this effect can be present in relativistic gyrodevices currently under development for driving future accelerators.
Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-3511, USA.
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Nusinovich
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Ngogang
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Antonsen
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Granatstein