Energy Bands in Lithium

Abstract
A previous calculation of energy bands in lithium which employed the orthogonalized plane wave method, has been extended with the determination of the energies of states along the [100], [110], and [111] axes in the Brillouin zone. The Fermi energy has been determined. The Fermi surface predicted by these calculations is not in contact with the Brillouin zone, and is only slightly distorted from the sphere characteristic of free electrons.