Total Dielectric Function Approach to the Electron Boltzmann Equation for Scattering from a Two-Dimensional Coupled Mode System | Zendy

B. A. Sanborn | Zendy

Open Access

Total Dielectric Function Approach to the Electron Boltzmann Equation for Scattering from a Two-Dimensional Coupled Mode System

Author(s) -

B. A. Sanborn

Publication year - 1998

Publication title -

vlsi design

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.123

H-Index - 24

eISSN - 1065-514X

pISSN - 1026-7123

DOI - 10.1155/1998/70276

Subject(s) - boltzmann equation , physics , scattering , inelastic scattering , electron , condensed matter physics , phonon , phonon scattering , plasmon , mott scattering , boltzmann constant , computational physics , quantum mechanics , small angle neutron scattering , neutron scattering

The nonequilibrium total dielectric function lends itself to a simple and general method forcalculating the inelastic collision term in the electron Boltzmann equation for scattering froma coupled mode system. Useful applications include scattering from plasmon-polar phononhybrid modes in modulation doped semiconductor structures. This paper presents numericalmethods for including inelastic scattering at momentum-dependent hybrid phonon frequenciesin the low-field Boltzmann equation for two-dimensional electrons coupled to bulk phonons.Results for electron mobility in GaAs show that the influence of mode coupling anddynamical screening on electron scattering from polar optical phonons is stronger for twodimensional electrons than was previously found for the three dimensional case

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