Orbitals

Beyond one orbital per site: Slater-Koster bond integrals between s, p and d orbitals, non-orthogonal bases and their Löwdin orthogonalization, spin with Rashba spin-orbit coupling and a Zeeman field, and the band structures they give.

Löwdin Orthogonalization and Non-Orthogonal Tight Binding

Löwdin Orthogonalization and Non-Orthogonal Tight Binding

Rashba Spin-Orbit Coupling: Spin-Split Bands from Broken Inversion Symmetry

Rashba Spin-Orbit Coupling: Spin-Split Bands from Broken Inversion Symmetry

The Slater-Koster Method: Graphene’s sigma and pi Bands

The Slater-Koster Method: Graphene's sigma and pi Bands