Double giant resonances in nuclei

A brief review of the results of microscopic calculations aimed at describi ng the characteristics of double giant dipole resonances (DGDR) is presente d. Special attention is paid to a systematic microscopic study of the anhar monic properties of DGDRs for nuclei with mass numbers 40 less than or equa l to A less than or equal to 208. It is found that the corrections of the e nergy centroid of a DGDR from its harmonic limit are negative, have a value on the order of a few hundred keV, and follow an A(-1) dependence. (C) 200 1 MAIK 'Nauka/Interperiodica".