Ab initio nuclear properties from low-resolution chiral interactions

by Pierre Arthuis (Laboratoire de Physique des 2 infinis Irène Joliot-Curie)

Monday 29 Sept 2025, 13:50 → 14:50 US/Eastern

604 (Nielsen)

Ab initio methods for low-energy nuclear physics have vastly improved their range both in terms of isotopes and observables of interest over the past two decades [1]. Driven by formal and numerical advances, this progress now allows them to tackle phenomena from spectroscopy to deformation, from neutrinoless double-beta decay to reactions of astrophysical interest.

In this talk, I will address recent progress in the design of nuclear interactions, discussing strategies adopted by different groups. In particular, I will focus on two new low-resolution interactions recently developed [2] and how they can contribute to a better description of nuclear properties all over the nuclear chart.

[1] H. Hergert, A Guided Tour of ab initio Nuclear Many-Body Theory, Front. Phys. 8, 379 (2020)
[2] P. Arthuis, K. Hebeler & A. Schwenk, Neutron-rich nuclei and neutron skins from chiral low-resolution interactions, arXiv:2401.06675 (2024)