Brillouin 1930: first Brillouin zone is the Wigner-Seitz cell of the reciprocal lattice; k-points within are the unique-momenta describing periodic-crystal electronic states. Symmetry points (Γ, X, L, K) labelled by…
Brillouin 1930: first Brillouin zone is the Wigner-Seitz cell of the reciprocal lattice; k-points within are the unique-momenta describing periodic-crystal electronic states. Symmetry points (Γ, X, L, K) labelled by…