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math.AP2021
Formal derivation of quantum drift-diffusion equations with spin-orbit interaction
Luigi Barletti, Philipp Holzinger, Ansgar Jüngel
Quantum drift-diffusion equations for a two-dimensional electron gas with spin-orbit interactions of Rashba type are formally derived from a collisional Wigner equation. The collis…
math.AP2019
Large-time asymptotics for a matrix spin drift-diffusion model
Philipp Holzinger, Ansgar Jüngel
The large-time asymptotics of the density matrix solving a drift-diffusion-Poisson model for the spin-polarized electron transport in semiconductors is proved. The equations are an…