arc.alkali_atom_functions.AlkaliAtom.corePotential# AlkaliAtom.corePotential(l: int, r: float) → float[source]# core potential felt by valence electron For more details about derivation of model potential see Ref. [1]. Parameters: l (int) – orbital angular momentum r (float) – distance from the nucleus (in a.u.) Returns: core potential felt by valence electron (in a.u. ???) Return type: float References