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Solitary-wave dynamics in extrinsic semiconductors under dc voltage bias

Autor
Rodriguez Cantalapiedra, I.; Bonilla, L.; Bergmann, M. J.; Teitsworth, S. W.
Tipus d'activitat
Article en revista
Revista
Physical review B: condensed matter and materials physics
Data de publicació
1993-10-15
Volum
48
Número
16
Pàgina inicial
12278
Pàgina final
12281
DOI
https://doi.org/10.1103/PhysRevB.48.12278 Obrir en finestra nova
Resum
Numerical-simulation results are presented for a simple drift-diffusion model which describes time-dependent and nonlinear electrical transport properties of extrinsic semiconductors under time-independent (dc) voltage bias. Simulations for finite-length samples with Ohmic boundary conditions yield dynamically stable solitary space-charge waves that travel periodically across the sample. Numerical estimates of wave speed, the wave size, and onset phenomena are in excellent agreement with recent ...
Grup de recerca
BIOCOM-SC - Grup de Biologia Computacional i Sistemes Complexos

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