# Fermi energy (Q431335)

a concept in quantum mechanics usually referring to the energy difference between the highest and lowest occupied single-particle states in a quantum system of non-interacting fermions at absolute zero temperature
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Fermi energy
a concept in quantum mechanics usually referring to the energy difference between the highest and lowest occupied single-particle states in a quantum system of non-interacting fermions at absolute zero temperature

## Statements

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${\displaystyle E_{F}={\frac {\hbar ^{2}\pi ^{2}}{2mL^{2}}}(N/2)^{2},}$
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