The Electron Density and Energy boundary condition fixes the electron density to a specific number density or the mean electron energy to a specific energy. It is also available on the Pairs menu. This boundary condition should, in general, be avoided in favor of the Wall boundary condition.

Select the Fix electron density check box to enter a value for the Electron density at the wall new (SI unit: 1/m3).

Select the Fix mean electron energy check box to enter a value for the Mean electron energy at the wall e (SI unit: V).