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HK: Fachverband Hadronen und Kerne

HK 83: Nuclear Structure and Dynamics II

HK 83.5: Vortrag

Freitag, 20. März 2009, 12:30–12:45, H-ZO 50

Three-body contributions to the density-dependent NN-interaction — •Abdul Ahad Ataie and Horst Lenske — Institut für Theoretische Physik, Universität Giessen, Germany

We study a non-relativistic energy density functional theory to describe nuclear matter, nuclei and hyper-nuclei. The interaction density functionals are derived from Brueckner G-matrix calculation for the baryon-baryon in-medium forces from which we extract density dependent interaction vertices. The realistic description of the nuclear EOS requires additional density dependent three-body interactions which are shown to act predominantly as additional density dependent vertex corrections. The momentum dependence of self-energies and their modifications by the three-body terms are investigated. Results for the EOS of symmetric and asymmetric nuclear matter are discussed.
Work supported by DFG.