5.17.9. operators.T

eminus.operators.T(atoms, W, dr)

Translation operator.

This operator acts on options 5 and 6.

Reference: https://ccrma.stanford.edu/~jos/st/Shift_Theorem.html

Parameters:

• atoms – Atoms object.

• W – Expansion coefficients of unconstrained wave functions in reciprocal space.

• ik – k-point index.

• dr – Real-space shifting vector.

Returns:

The operator applied on W.