| Definition: | function expressing the probability P(E), for a particle obeying Fermi statistics, that it will occupy a permitted energy level E
P(E)=11+exp(E−EFkT)
where
k is the Boltzmann constant
T is the thermodynamic temperature
EF is the Fermi-level
and where this level is quantized and may contain 0, 1 or 2 electrons.
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