5.23.2. utils.Ylm_real

eminus.utils.Ylm_real(l, m, G)

Calculate real spherical harmonics from cartesian coordinates.

Reference: https://scipython.com/blog/visualizing-the-real-forms-of-the-spherical-harmonics

Parameters:

• l – Angular momentum number.

• m – Magnetic quantum number.

• G – Reciprocal lattice vector or array of lattice vectors.

Returns:

Real spherical harmonics.