triqs.lattice.lattice_tools.TightBinding.fourier

TightBinding.fourier()

Evaluate the fourier transform for a momentum vector k in units of the reciprocal lattice vectors

Signature(k_cvt K) -> matrix<dcomplex>

Evaluate the fourier transform for a momentum vector k in units of the reciprocal lattice vectors

Signature(nda::array_const_view<double,2> K) -> nda::array<dcomplex, 3>

Evaluate the fourier transform for an array of momentum vectors k in units of the reciprocal lattice vectors

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

Evaluate the fourier transform on the k_mesh and return the associated Green-function object