Bremsstrahlung radiation from slow electrons in a Coulomb field: Classical limit and quantum correction

Compact analytic expressions have been derived by a direct expansion in ħ → 0 for the nonrelativistic amplitude of Coulomb bremsstrahlung radiation (BR), the differential (in frequency and angles of the scattered electron) BR cross section, and the triply differential BR cross section that takes int...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2015-11, Vol.121 (5), p.727-736
Main Authors: Manakov, N. L., Krylovetsky, A. A., Marmo, S. I.
Format: Article
Language:English
Subjects:
AMPLITUDES
Atoms
BREMSSTRAHLUNG
Classical and Quantum Gravitation
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CORRECTIONS
COULOMB FIELD
CROSS SECTIONS
ELECTRONS
Elementary Particles
EXPANSION
Molecules
Optics
Particle and Nuclear Physics
PHOTONS
Physics
Physics and Astronomy
POLARIZATION
Quantum Field Theory
QUANTUM MECHANICS
Radiation
Relativity Theory
Solid State Physics
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Summary:Compact analytic expressions have been derived by a direct expansion in ħ → 0 for the nonrelativistic amplitude of Coulomb bremsstrahlung radiation (BR), the differential (in frequency and angles of the scattered electron) BR cross section, and the triply differential BR cross section that takes into account the bremsstrahlung photon direction and polarization and the scattered electron direction. They contain the classical limit and a quantum correction of the order of ħ at an arbitrary BR frequency ω. An explicit expression has been found for the quantum correction of the order of ħ to the classical BR spectrum.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776115110059