ABSTRACT
If the effective potential in the KS equation is reduced to zero, eigenvalues ek of a solid approach the free electron values
e k
k m
=
2 (5.1)
The wave vector k in Equation 5.1 is unrestricted and can vary from −∞ to +∞.
If the effective potential in the KS equation is reduced to zero, eigenvalues ek of a solid approach the free electron values
e k
k m
=
2 (5.1)
The wave vector k in Equation 5.1 is unrestricted and can vary from −∞ to +∞.