Application of weak equivalence transformations to a group analysis of a drift-diffusion model

被引：21
|
作者：
Romano, V [1 ]
Torrisi, M [1 ]
机构：
[1] Politecn Bari, Dipartimento Interuniv Matemat, I-70125 Bari, Italy
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1999年 / 32卷 / 45期
关键词：
D O I：
10.1088/0305-4470/32/45/310
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A group analysis of a class of drift-diffusion systems is performed. In account of the presence of arbitrary constitutive functions, we look for Lie symmetries starting from the weak equivalence transformations. Applications to the transport of charges in semiconductors are presented and a special class of solutions is given for particular doping profiles.
引用
收藏
页码：7953 / 7963
页数：11
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