5.17.6. operators.L¶
- eminus.operators.L(atoms, W, ik=-1)[source]¶
Laplacian operator with k-point dependency.
This operator acts on options 3 and 5.
Reference: Comput. Phys. Commun. 128, 1.
- Parameters:
atoms – Atoms object.
W – Expansion coefficients of unconstrained wave functions in reciprocal space.
- Keyword Arguments:
ik – k-point index.
- Returns:
The operator applied on W.