Abstract
Presently available high-power laser pulses of ponderomotive energy U p ≫ 2mc 2 should permit the fundamental processes of quantum electrodynamics in such fields, in particular, the formation of electron-positron pairs in impacts of laser pulses with highly charged ions, to be observed. We evaluate the highly nonlinear production rates of this process and investigate the most favorable conditions of pair production, in particular, either along the direction of linear polarization or in the propagation direction of the laser pulse. For femtosecond radiation pulses, it is possible to represent the laser beam by a monochromatic and linearly polarized electromagnetic plane wave. This approximation considerably simplifies the calculations required.
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Krajewska, K., Kamiński, J.Z. & Ehlotzky, F. Electron-positron pair creation by powerful laser-ion interaction. Laser Phys. 16, 272–277 (2006). https://doi.org/10.1134/S1054660X06020113
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DOI: https://doi.org/10.1134/S1054660X06020113