Abstract
The static quadrupole polarizability of Ne is calculated through the use of the many-body perturbation-theory scheme limited to single and double substitutions in the reference Hartree-Fock (HF) determinant (SD-MBPT). All calculations are performed within the finite-field numerical perturbation scheme. The fourth-order MBPT treatment based on the coupled HF solution for the perturbed system leads to the quadrupole polarizability value equal to 7.48 a.u. The convergence of the SD-MBPT series for properties and the role of the renormalization terms are discussed.
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