# triqs.lattice.super_lattice.TBSuperLattice.fourier

TBSuperLattice.fourier(arg)

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