triqs.lattice.super_lattice.TBSuperLattice.change_coordinates_SL_to_L
- TBSuperLattice.change_coordinates_SL_to_L(R, alpha)[source]
Map a superlattice point
(R, alpha)to its position on the base lattice in lattice coordinates.- Parameters:
- Rarray-like of int
Superlattice displacement.
- alphaint
Index of the site within the cluster.
- Returns:
- numpy.ndarray
Position on the base lattice in lattice coordinates.