📄️ Band Theory
The first quantum theory of electronic behavior in solid is Sommerfeld theory,
📄️ Bloch theorem
In a crystalline solid, the potential experienced by an electron is periodic.
📄️ Tight binding model
In tight binding model, the crystal potential is assumed to be strong. When an
📄️ Crystal Electric Field
Splitting for integral J
📄️ Hubbard Model
The greatest success of band theory of solids is that it can classify a large