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Covariant density functional theory for excited states in Nuclei

par Daoutidis, Ioannis ;Litvinova, Elena;Ring, Peter
Référence Journal of physics. Conference series, 321, 1, 012022
Publication Publié, 2011

Article révisé par les pairs

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Résumé :

Recent applications of covariant density functional theory (CDFT) for the description of excited states in nuclei are discussed. They are based on the Runge-Gross theorem of time-dependent density functional theory. In the adiabatic approximation, where the energy dependence of the self-energy is neglected one obtains in the small amplitude limit RPA and QRPA. In order to describe the width of giant resonances an energy dependent self energy is constructed by coupling to surface modes of the system. Recent applications with 2qp-phonon and 2-phonon configurations are discussed. © Published under licence by IOP Publishing Ltd.