Original Articles |
|
|
|
|
Pseudo-Hydrodynamic Approximation for Transient Computation of Energy-Transport Models in Semiconductors |
TANG Shao-Qiang1;ZHANG Da-Peng2 |
1LTCS, Department of Mechanics and Engineering Science, Peking University, Beijing 100871
2Department of Mathematics, Peking University, Beijing 100871 |
|
Cite this article: |
TANG Shao-Qiang, ZHANG Da-Peng 2005 Chin. Phys. Lett. 22 2633-2636 |
|
|
Abstract We propose a pseudo-hydrodynamic (PHD) model that has hyperbolic principal part. It formally converges to the corresponding energy-transport model in the limit of zero momentum relaxation time. Numerical examples have demonstrated the regularization effects of the PHD model.
|
Keywords:
71.15.-m
02.30.Jr
02.60.Cb
|
|
Published: 01 October 2005
|
|
PACS: |
71.15.-m
|
(Methods of electronic structure calculations)
|
|
02.30.Jr
|
(Partial differential equations)
|
|
02.60.Cb
|
(Numerical simulation; solution of equations)
|
|
|
|
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|