Abstract
A Gaussian whistler pulse is shown to cause ponderomotive acceleration of electrons in a plasma when the peak whistler amplitude exceeds a threshold value and the whistler frequency is greater than half the cyclotron frequency, ω>ω c /2. The threshold amplitude decreases with the ratio of plasma frequency to electron cyclotron frequency, ω p /ω c . However, above the threshold amplitude, the acceleration energy decreases with ω p /ω c . The electrons gain velocities about twice the group velocity of the whistler.
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Singh, R., Sharma, A.K. Ponderomotive acceleration of electrons by a whistler pulse. Appl. Phys. B 100, 535–538 (2010). https://doi.org/10.1007/s00340-010-4094-7
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DOI: https://doi.org/10.1007/s00340-010-4094-7