esta.externalBag.spharmonic4mcartesiancoord
¶
Ylm_real(l, m, G)
¶
from eminus
Calculate real spherical harmonics from cartesian coordinates.
Reference: https://scipython.com/blog/visualizing-the-real-forms-of-the-spherical-harmonics
Args: l (int): Angular momentum number. m (int): Magnetic quantum number. G (ndarray): Reciprocal lattice vector or array of lattice vectors.
Returns: ndarray: Real spherical harmonics.