Nonlinear charge transport in strongly coupled semiconductor superlattices is described by single or two-miniband Wigner-Poisson kinetic equations with BGK collision terms. Balance equations for miniband populations and electric field are derived using the Chapman-Enskog method. Numerical solutions show stable self-oscillations of the current through a voltage biased superlattice.
Nonlinear electronic transport in semiconductor superlattices / L. BONILLA; L. BARLETTI; R. ESCOBEDO; M. ALVARO. - STAMPA. - (2007), pp. 184-195. [10.1142/9789812709394_0017]
Nonlinear electronic transport in semiconductor superlattices
BARLETTI, LUIGI;
2007
Abstract
Nonlinear charge transport in strongly coupled semiconductor superlattices is described by single or two-miniband Wigner-Poisson kinetic equations with BGK collision terms. Balance equations for miniband populations and electric field are derived using the Chapman-Enskog method. Numerical solutions show stable self-oscillations of the current through a voltage biased superlattice.
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