Fermi sphere

Fermi sphere

[′fer·mē ‚sfir]
(statistical mechanics)
The Fermi surface of an assembly of fermions in the approximation that the fermions are free particles.
References in periodicals archive ?
As we had shown in [1], at absolute zero T _ 0, the Fermi ions fill the Fermi sphere in momentum space.
On the other hand, it is well known that at absolute zero T = 0, the Fermi atoms fill the Fermi sphere in momentum space.