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Mathematical properties of a kinetic transport model for carriers and phonons in semiconductors

机译:半导体中载流子和声子的动力学传输模型的数学性质

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摘要

We present studies on the mathematical properties of a multigroup formulation of the Bloch–Boltzmann–Peierls equations. The considered model equations are based on a general carrier dispersion law and contain the full quantum statistics of both the carriers and the phonons. Moreover, the transport model allows the investigation of particle distributions with arbitrary anisotropy with respect to the main direction. We prove the boundedness of the solution according to the Pauli principle and study the conservational properties of the multigroup equations. In addition, the existence of a Lyapounov functional to the proposed model equations is proved and expressions for the equilibrium solution are given. Numerical results are presented for the stationary state distributions of a coupled system of electrons and longitudinal optical phonons in GaAs.
机译:我们目前对Bloch–Boltzmann–Peierls方程的多组公式的数学性质进行研究。所考虑的模型方程式基于一般的载流子色散定律,包含载流子和声子的全部量子统计量。此外,传输模型允许研究相对于主方向具有任意各向异性的粒子分布。我们根据保利原理证明了解的有界性,并研究了多组方程的守恒性质。此外,证明了所提出模型方程的Lyapounov泛函的存在性,并给出了平衡解的表达式。给出了GaAs中电子与纵向光子耦合系统的稳态分布的数值结果。

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