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The basic equations solved in a device simulator are the Poisson
equation and the continuity
equations for electrons and holes.
The unknown quantities of this equation system are the electrostatic potential,
, and the electron and hole concentrations, and , respectively.
denotes the net concentration of the ionized dopants and other charged
defects,
is the dielectric permittivity of the semiconductor, and
is the net recombination rate.
Vassil Palankovski
2001-02-28