Two particle — two hole mixing in Hartree-Fock calculations |
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| Authors: | JA Rabbat G Do Dang |
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| Institution: | Laboratoire de Physique Théorique et Hautes Energies, Orsay, France∗∗ |
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| Abstract: | The constrained Hartree-Fock theory is used for studying the stability of the solutions against two particle — two hole excitations. Quadropole and hexadecapole deformation are imposed on the Hartree-Fock equations to get the true energy minimum and the equilibrium shape. Energy corrections are calculated using second-order perturbations and complete diagonalization. Applications are made to the 20Ne and 28Si nuclei. |
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