Semiclassical description of electron transport in semiconductor quantum-well devices

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Abstract
Carrier drift, diffusion, and thermionic emission for classical semiconductor devices (p-n junctions, heterostructures, etc.) is most easily described using expressions derived from a Boltzmann transport equation point of view. This point of view is not particularly applicable to quantum-well transport. It is shown here that by postulating a region of phase space that is forbidden to the mobile carriers and then altering the scattering probability so that no particles are scattered to the forbidden region, a Boltzmann-equation-based formalism emerges that can describe the mobile-carrier component of quantum-well transport.