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Mainz 2022 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 41: Structure and Dynamics of Nuclei VII

HK 41.2: Talk

Wednesday, March 30, 2022, 14:30–14:45, HK-H7

Energy-density functionals from local chiral interactions — •Lars Zurek1,2, Rodrigo Navarro Pérez3, Scott K. Bogner4, Richard J. Furnstahl5, and Achim Schwenk1,2,61Technische Universität Darmstadt, Department of Physics — 2ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH — 3Department of Physics, San Diego State University — 4Facility for Rare Isotope Beams and Department of Physics and Astronomy, Michigan State University — 5Department of Physics, The Ohio State University — 6Max-Planck-Institut für Kernphysik, Heidelberg

We construct semi-phenomenological nuclear energy-density functionals starting from conventional Skyrme functionals, here considered to represent short-range physics. Pion exchanges are added explicitly at the Hartree-Fock level by applying a density-matrix expansion to local interactions derived from chiral effective field theory. We determine energy-density functionals obtained in this fashion at different orders in the chiral expansion and investigate several choices in the density-matrix expansion.

* Funded by the BMBF Contract No. 05P21RDFNB.

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