triqs_modest.hamiltonians

Functions and utilities to construct interaction Hamiltonians using TRIQS many-body operators.

Functions

U_matrix_in_spherical_basis

Construct a four-index Coulomb tensor in the basis of spherical harmonics.

make_density_density

Construct a density-density interaction Hamiltonian.

make_kanamori

Construct a Hubbard-Kanamori Hamiltonian.

make_slater

Construct a Slater Hamiltonian.