Publication: 

Kosik R, Cervenka J, Kosina H. (2021). Numerical constraints and non-spatial open boundary conditions for the Wigner equation. Journal of Computational Electronics, (6), 
doi: 10.1007/s10825-021-01800-w


Fig.2 (folder)
sigma.csv:      Wigner equation without upwinding (resp. sigma equation with anti-periodic boundary conditions) calculated using Nr = 800 points.
wigner_800.csv: IV-curves obtained from Frensley’s discretization using upwinding. The grid is refined from Nr = 800 up to Nr = 102400.
columns:
voltage / V, current / A cm^-2


Fig.4
Particle density in the active region of the RTD for different biases.

density_0.0V.csv - bias 0.0 V
density_0.5V.csv - bias 0.5 V
columns:
position / nm, particle density (QTBM) / cm^-3, particle density (Wigner) / cm^-3

potential_energy_0.0V.csv - bias 0.0V
potential_energy_0.5V.csv - bias 0.5V
columns:
position / nm, potential energy / eV


Fig.5
Simulation of a resonant tunneling diode and comparison with QTBM.

coherence_qtbm.csv
coherence_wigner.csv
columns:
bias / V, current / A cm^-2