[HTML][HTML] Ab initio computations from 78Ni towards 70Ca along neutron number N= 50

BS Hu, ZH Sun, G Hagen, GR Jansen, T Papenbrock - Physics Letters B, 2024 - Elsevier
We present coupled-cluster computations of nuclei with neutron number N= 50 “south” of 78
Ni using nucleon-nucleon and three-nucleon forces from chiral effective field theory. We find …

In-medium similarity renormalization group with flowing 3-body operators, and approximations thereof

SR Stroberg, TD Morris, BC He - Physical Review C, 2024 - APS
We explore the impact of retaining three-body operators within the in-medium similarity
renormalization group (IMSRG), as well as various approximations schemes. After studying …

Factorized approximation to the in-medium similarity renormalization group IMSRG (3)

BC He, SR Stroberg - Physical Review C, 2024 - APS
We describe an approximation to the in-medium similarity renormalization group (IMSRG)
method in which we include the effects of intermediate three-body operators arising within …

Impact of two-body currents on magnetic dipole moments of nuclei

T Miyagi, X Cao, R Seutin, S Bacca, RFG Ruiz… - Physical Review Letters, 2024 - APS
We investigate the effects of two-body currents on magnetic dipole moments of medium-
mass and heavy nuclei using the valence-space in-medium similarity renormalization group …

Ab initio description of monopole resonances in light-and medium-mass nuclei: I. Technical aspects and uncertainties of ab initio PGCM calculations

A Porro, T Duguet, JP Ebran, M Frosini, R Roth… - The European Physical …, 2024 - Springer
Giant resonances (GRs) are a striking manifestation of collective motions in mesoscopic
systems such as atomic nuclei. Until recently, theoretical investigations have essentially …

[HTML][HTML] Ab initio calculations of anomalous seniority breaking in the πg9/2 shell for the N= 50 isotones

Q Yuan, BS Hu - Physics Letters B, 2024 - Elsevier
We performed ab initio valence-space in-medium similarity renormalization group (VS-
IMSRG) calculations based on chiral two-nucleon and three-nucleon interactions to …

Optimized nuclear energy density functionals including long-range pion contributions

L Zurek, SK Bogner, RJ Furnstahl, R Navarro Pérez… - Physical Review C, 2024 - APS
Nuclear energy density functionals successfully reproduce properties of nuclei across
almost the entire nuclear chart. However, nearly all available functionals are …

Modewise Johnson–Lindenstrauss embeddings for nuclear many-body theory

A Zare, R Wirth, CA Haselby, H Hergert… - The European Physical …, 2023 - Springer
In the present work, we initiate a program that explores modewise Johnson–Lindenstrauss
embeddings (JLEs) as a tool to reduce the computational cost and memory requirements of …

Ab initio Bogoliubov many-body perturbation theory: closed-form constraint on the average particle number

P Demol, T Duguet, A Tichai - The European Physical Journal A, 2025 - Springer
Bogoliubov many-body perturbation theory (BMBPT) relying on the breaking of U (1) global
gauge symmetry has been recently formulated and applied to extend the applicability of …

Impact of correlations on nuclear binding energies: Ab initio calculations of singly and doubly open-shell nuclei

A Scalesi, T Duguet, P Demol, M Frosini… - The European Physical …, 2024 - Springer
A strong effort will be dedicated in the coming years to extend the reach of ab initio nuclear-
structure calculations to heavy doubly open-shell nuclei. In order to do so, the most efficient …