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COMPARISON OF ELECTRON EMISSION IN LINEARLY AND CIRCULARLY POLARIZED GAUSSIAN FIELDS
- Authors: Borovskiy A.V.1, Galkin A.L.2
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Affiliations:
- Baikal State University
- Prokhorov General Physics Institute, Russian Academy of Sciences
- Issue: Vol 165, No 6 (2024)
- Pages: 767-775
- Section: Articles
- URL: https://journals.rcsi.science/0044-4510/article/view/259036
- DOI: https://doi.org/10.31857/S0044451024060026
- ID: 259036
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Abstract
A comparative analysis of electromagnetic emission by an electron in Gaussian fields of linear and circular polarization was carried out. For a short laser pulse, local (power in solid angle and power) and integral (energy emitted from the trajectory) characteristics of emission are determined. It is shown that the previously discovered law of growth of the emitted peak angular power in a linearly polarized field also extends to the case of a circularly polarized field with a decrease in the numerical coefficient by a factor of 2 due to a decrease in the field amplitude by a factor of √2. During backscattering in both considered cases of linear and circular polarization, the emission characteristics have a power-law increase with indices 6 (peak power per solid angle) and 4 (power, radiated energy) in terms of the initial electron energy and significantly exceed the values of the radiation characteristics from symmetric trajectories.
About the authors
A. V. Borovskiy
Baikal State University
Email: galkin@kapella.gpi.ru
Russian Federation, 664003, Irkutsk
A. L. Galkin
Prokhorov General Physics Institute, Russian Academy of Sciences
Author for correspondence.
Email: galkin@kapella.gpi.ru
Russian Federation, 119991, Moscow
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