triqs.lattice.tight_binding.TBLattice.fourier

TBLattice.fourier(arg)[source]

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