Static Dipole Polarizabilities for Low-Lying Rovibrational States of HD⁺

Accurate calculations are performed for the static dipole polarizabilities of HD⁺ in the rovibrational states with both of the vibrational and angular momentum quantum numbers ν and L from 0 to 5, by using variationally generated wavefunctions in Hylleraas coordinates. Comparison is made with recently published results. Significant improvements are achieved for the angular momentum quantum number L>0 excited states by including another independent block to optimize meticulously the intermediate states of unnatural parity.