Diffusion of electrons in coherent Langmuir wave packets |
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| Institution: | 1. Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA, USA;2. Space Research Institute, Moscow, Russia;3. Department of Mathematical Sciences, Loughborough University, Loughborough LE11 3TU, United Kingdom |
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| Abstract: | A new diffusion coefficient for electrons repeatedly interacting with coherent Langmuir wave packets is proposed. The model accounts for regular islands embedded in a region of connected stochasticity, since these islands have a profound effect on the diffusion process. The diffusion coefficient has a resonant form which has been explicity calculated incorporating the finite decay times of the correlation functions. Theoretical predictions compare well with numerical results derived from solutions of the equation of motion. |
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