Quantum-mechanical treatment of high-energy channeling radiation

  • An alternative theoretical description of axial electron channeling in the multi-GeV region has been developed. We solve a kinetic equation to evaluate an electron distribution function in axially oriented single crystals. Based on the single-string model, the required matrix elements for radiation and scattering by lattice vibrations are calculated employing solutions of the Dirac equation in cylindrical coordinates. Results obtained for 150-GeV electrons propagating along the <110> axis of germanium are in good agreement with experimental observations.

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Author:Jürgen Augustin, Andreas SchäferORCiDGND, Walter GreinerGND
Parent Title (German):Physical review. A
Document Type:Article
Date of Publication (online):2006/07/14
Year of first Publication:1995
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2006/07/14
Source:Phys. Rev. A 51, 1367~V1373 (1995), ©1995 The American Physical Society, http://link.aps.org/abstract/PRA/v51/p1367
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:00.00.00 GENERAL / 03.00.00 Quantum mechanics, field theories, and special relativity (see also section 11 General theory of fields and particles) / 03.65.-w Quantum mechanics [see also 03.67.-a Quantum information; 05.30.-d Quantum statistical mechanics; 31.30.J- Relativistic and quantum electrodynamics (QED) effects in atoms, molecules, and ions in atomic physics]
40.00.00 ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS / 41.00.00 Electromagnetism; electron and ion optics / 41.60.-m Radiation by moving charges
Licence (German):License LogoDeutsches Urheberrecht