triqs.lattice.tight_binding.TBLattice.dispersion

TBLattice.dispersion(arg)

Evaluate the dispersion relation for a momentum vector k in units of the reciprocal lattice vectors

Signature(k_cvt K) -> nda::array<double, 1>

Evaluate the dispersion relation for a momentum vector k in units of the reciprocal lattice vectors

Signature(nda::array_const_view<double,2> K) -> nda::array<double, 2>

Evaluate the dispersion relation for an array of momentum vectors k in units of the reciprocal lattice vectors

Signature(mesh::brzone k_mesh) -> gf<mesh::brzone, tensor_real_valued<1>>

Evaluate the dispersion relation on the k_mesh and return the associated Green-function object