See Also: Fermi(dictionary)
Fermi, Enrico(encyclopedia)
Fermi, Enrico(dictionary)
Fermi-Dirac statistics(dictionary)
Fermi-Dirac statistics(encyclopedia)

Fermi (iou)



Fermi noun. E20.
[Enrico Fermi (1901-54), Italian-born physicist.]
I.
Used attrib. to denote principles and concepts arising from Fermi's work. E20.
Fermi energy, Fermi level the energy of the Fermi surface. Fermi statistics = FERMI-DIRAC STATISTICS. Fermi surface a surface in momentum space representing the maximum energy, at absolute zero, of the electrons in a crystal lattice with respect to their direction of motion.
II.
(fermi.) A unit of length used in nuclear physics, equal to 1015 m. M20.