Modeling electron transport in the presence of electric and magnetic fields.
Author(s) -
Wesley C. Fan,
Clifton Russell Drumm,
Shawn D. Pautz,
C.D. Turner
Publication year - 2013
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/1096262
Subject(s) - electron , lorentz force , physics , magnetic field , electric field , boltzmann equation , lorentz transformation , computational physics , classical mechanics , quantum electrodynamics , mechanics , quantum mechanics
This report describes the theoretical background on modeling electron transport in the presence of electric and magnetic fields by incorporating the effects of the Lorentz force on electron motion into the Boltzmann transport equation. Electromagnetic fields alter the electron energy and trajectory continuously, and these effects can be characterized mathematically by differential operators in terms of electron energy and direction. Numerical solution techniques, based on the discrete-ordinates and finite-element methods, are developed and implemented in an existing radiation transport code, SCEPTRE.
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