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IEVref: | 521-01-16 | ID: | |

Language: | en | Status: Standard | |

Term: | Fermi-Dirac function | ||

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Definition: | function expressing the probability P(E), for a particle obeying Fermi statistics, that it will occupy a permitted energy level E
$P\left(E\right)=\frac{1}{1+\text{exp}{\displaystyle \left(\frac{E-{E}_{\text{F}}}{kT}\right)}}$
where | ||

Publication date: | 2002-05 | ||

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Internal notes: | 2017-06-02: Cleanup - Remove Attached Image 521-01-16.gif | ||

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$P\left(E\right)=\frac{1}{1+\text{exp}{\displaystyle \left(\frac{E-{E}_{\text{F}}}{kT}\right)}}$

where

*k* is the Boltzmann constant

*T* is the thermodynamic temperature

*E*_{F} is the Fermi-level

and where this level is quantized and may contain 0, 1 or 2 electrons.