p2. Derive the following dispersion relation of the 2-dimensional square lattice: Ecke.ky) = -2te cos(k, as) – aty cos (
Posted: Wed May 18, 2022 4:28 pm
p2. Derive the following dispersion relation of the 2-dimensional square lattice: Ecke.ky) = -2te cos(k, as) – aty cos (kgay).