Abstract
Abstract To understand the response of very neutron rich nuclei to external fields, I study the E 1 and E 2 giant resonances in 22 O using the time-dependent density-matrix theory (TDDM). TDDM is an extension of the time-dependent Hartree-Fock theory to include two-body correlations and gives us a framework to study both the energies and widths of the giant resonances. It is found that the E 1 and E 2 strength distributions quite differ from those in stable nuclei due to the existence of excess neutrons.
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