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HK: Fachverband Physik der Hadronen und Kerne
HK 7: Structure and Dynamics of Nuclei 2
HK 7.5: Talk
Monday, March 23, 2015, 15:45–16:00, T/SR14
Towards Full N3LO Calculations of Asymmetric Nuclear Matter — •Christian Drischler1,2, Kai Hebeler1,2, and Achim Schwenk1,2 — 1Institut für Kernphysik, Technische Universität Darmstadt — 2ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH
We have developed an improved method for including three-body forces (3N) in many-body calculations of infinite nuclear matter. We present first results for the equation of state for arbitrary isospin asymmetries based on chiral NN, 3N and 4N forces and study in detail the symmetry energy including contributions beyond the quadratic expansion. In addition, we perform first calculations of neutron matter at N3LO that include the subleading 3N forces beyond the Hartree-Fock approximation.
*This work was supported by the ERC Grant No. 307986 STRONGINT and the Helmholtz Alliance HA216/EMMI.