- #1

aaaa202

- 1,170

- 3

ψ

_{n,k}(

**r**) = u

_{n}(

**r**)exp(i

**k⋅r**)

, where u

_{n}has the same periodicity as the potential.

Bloch's theorem is used to calculate energy bands, and my question is:

Does the n in u

_{n}label the different bands of the crystal?