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Energy-Transport Equations

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Transport Equations for Semiconductors

Part of the book series: Lecture Notes in Physics ((LNP,volume 773))

The drift-diffusion equations are derived by the moment method by employing only the zeroth-order moment \(\langle M\rangle = \int_B M\mathrm{d}k/4\pi^3\), where the Maxwellian M describes the equilibrium state. As explained in Sect. 2.4, we obtain more general diffusion equations by taking into account higher-order moments. The energy-transport equations are derived by choosing the moments \(n=\langle M\rangle\)(particle density) and \(ne=\langle E(k)M\rangle\)(energy density), where\(E(k)\)is the energy band. The results of Sect. 2.4 are valid only for a simple BGK collision operator. In this chapter, we will assume more realistic scattering terms including elastic, carrier–carrier, and inelastic collision processes. In the following we proceed as in [1] and [2].

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  1. TU Wien Inst. Analysis und Scientific Computing, Wiedner Hauptstr. 8-10, 1040 Wien, Austria

    Ansgar Jüngel (Prof. Dr)

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  1. Ansgar Jüngel
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Jüngel, A. (2009). Energy-Transport Equations. In: Transport Equations for Semiconductors. Lecture Notes in Physics, vol 773. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89526-8_6

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  • DOI: https://doi.org/10.1007/978-3-540-89526-8_6

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