The one-dimensional stationary van Roosbroeck Model for charge carrier flow in semiconductors

• The bipolar model https://github.com/WIAS-BERLIN/MPDHub/blob/master/models/vR1D/vR1D-bipolar.png
• The unipolar model https://github.com/WIAS-BERLIN/MPDHub/blob/master/models/vR1D/vR1D-unipolar.png