LATTICE-GAS CELLULAR-AUTOMATON METHOD FOR SEMICLASSICAL TRANSPORT IN SEMICONDUCTORS

被引：43

作者：

KOMETER, K ^{[1
]}

ZANDLER, G ^{[1
]}

VOGL, P ^{[1
]}

机构：

[1] TECH UNIV MUNICH,WALTER SCHOTTKY INST,W-8046 GARCHING,GERMANY

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.46.1382

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A cellular-automaton method for solving the Boltzmann equation for semiclassical transport is presented and applied to nonlinear transport in semiconductors. It is shown that the Boltzmann equation for semiconductor transport can be transformed into a Boolean master equation, which represents a cellular automaton with nearest-neighbor interaction in position space. The resulting numerical algorithm is physically equivalent to the ensemble Monte Carlo method and tailored to modern vector or parallel processing. The algorithm is well suited for carrier systems with pronounced spatial inhomogeneities, large density variations, and scattering kernels involving single- and more-particle interactions. Several tests of the cellular-automaton technique for nonlinear transport in Si and GaAs are presented. The results agree very well with published Monte Carlo calculations.

引用

页码：1382 / 1394

页数：13

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