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Definition of Fermi–Dirac statistics in US English:
Fermi–Dirac statistics
plural noun
Physics
treated as singularA type of quantum statistics used to describe systems of fermions.
‘After studies with Max Born in Göttingen, Germany, he returned to Italy, where in Florence he discovered Fermi-Dirac statistics, a system for mathematically analyzing the behavior of subatomic particles.’
‘We relate the Fermi-Dirac statistics of an ideal Fermi gas in a harmonic trap to partitions of given integers into distinct parts, studied in number theory.’
‘It is rumored that he was annoyed that he did not, at the same time, apply Fermi-Dirac statistics to conductors, something later done by Sommerfeld.’
Origin
1920s: named after E. Fermi (see Fermi, Enrico) and P. A. M. Dirac (see Dirac, Paul).