Obtain electron energy in a two-dimensional hexagonal lattice using the weak method potential.
Posted: Sat Jul 02, 2022 10:16 pm
Obtain electron energy in a two-dimensional hexagonal lattice using the weak method potential.
(E+ Vo - Ek) uo (k)+ V-GUG (K) = 0 G#0 (E+G₁ + Vo - Ek) UG, (k)+ Σ VG₁-GUG (k) = 0 G#G₁ (Ek+Gn-1 + Vo - Ek) UG₁-1 (k) + Σ VG₁-1-GUG (k) = 0 G/G₁-1
E + Vo - Ek VG V-G E+G+Vo-Ek +] (to (k) ) = 0
(E+ Vo - Ek) uo (k)+ V-GUG (K) = 0 G#0 (E+G₁ + Vo - Ek) UG, (k)+ Σ VG₁-GUG (k) = 0 G#G₁ (Ek+Gn-1 + Vo - Ek) UG₁-1 (k) + Σ VG₁-1-GUG (k) = 0 G/G₁-1
E + Vo - Ek VG V-G E+G+Vo-Ek +] (to (k) ) = 0