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math-ph2020
Quantum drift-diffusion equations for a two-dimensional electron gas with spin-orbit interaction
Luigi Barletti, Philipp Holzinger, Ansgar Jüngel
Quantum drift-diffusion equations are derived for a two-dimensional electron gas with spin-orbit interaction of Rashba type. The (formal) derivation turns out to be a non-standard…
math-ph2019
Two spinorial drift-diffusion models for quantum electron transport in graphene
Nicola Zamponi, Ansgar Jüngel
Two drift-diffusion models for the quantum transport of electrons in graphene, which account for the spin degree of freedom, are derived from a spinorial Wigner equation with relax…