= Fermi-Dirac statistics
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= Fermi statistics
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The antisymmetric exchange statistics of identical <fermions>. Interchanging two one-particle labels reverses the total state, and fermionic <creation operators> anticommute. Occupation of a one-particle mode is therefore zero or one, giving the <Pauli exclusion principle>; thermal equilibrium leads to the <Fermi-Dirac distribution>. Color, flavor, spin and orbital factors must together have the required antisymmetry, even if one factor is symmetric.
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