Beyond-mean-field approaches for nuclear neutrinoless double beta decay in the standard mechanism

JM Yao, J Meng, YF Niu, P Ring - Progress in Particle and Nuclear Physics, 2022 - Elsevier
Nuclear weak decays provide important probes to fundamental symmetries in nature. A
precise description of these processes in atomic nuclei requires comprehensive knowledge …

Colloquium: Eigenvector continuation and projection-based emulators

T Duguet, A Ekström, RJ Furnstahl, S König… - Reviews of Modern Physics, 2024 - APS
Eigenvector continuation is a computational method for parametric eigenvalue problems that
uses subspace projection with a basis derived from eigenvector snapshots from different …

Multi-reference many-body perturbation theory for nuclei: I. Novel PGCM-PT formalism

M Frosini, T Duguet, JP Ebran, V Somà - The European Physical Journal A, 2022 - Springer
Perturbative and non-perturbative expansion methods already constitute a tool of choice to
perform ab initio calculations over a significant part of the nuclear chart. In this context, the …

Neutrinoless double-beta decay: a roadmap for matching theory to experiment

V Cirigliano, Z Davoudi, W Dekens, J de Vries… - arXiv preprint arXiv …, 2022 - arxiv.org
The observation of neutrino oscillations and hence non-zero neutrino masses provided a
milestone in the search for physics beyond the Standard Model. But even though we now …

Angular-momentum projection in coupled-cluster theory: Structure of

G Hagen, SJ Novario, ZH Sun, T Papenbrock… - Physical Review C, 2022 - APS
Single-reference coupled-cluster theory is an accurate and affordable computational method
for the nuclear many-body problem. For open-shell nuclei, the reference state typically …

Accessing ground-state and excited-state energies in a many-body system after symmetry restoration using quantum computers

EA Ruiz Guzman, D Lacroix - Physical Review C, 2022 - APS
We explore the possibility to perform symmetry restoration with the variation after projection
technique on a quantum computer followed by additional postprocessing. The final goal is to …

Towards precise and accurate calculations of neutrinoless double-beta decay

V Cirigliano, Z Davoudi, J Engel… - Journal of Physics G …, 2022 - iopscience.iop.org
We present the results of a National Science Foundation Project Scoping Workshop, the
purpose of which was to assess the current status of calculations for the nuclear matrix …

Combining the in-medium similarity renormalization group with the density matrix renormalization group: Shell structure and information entropy

A Tichai, S Knecht, AT Kruppa, Ö Legeza, CP Moca… - Physics Letters B, 2023 - Elsevier
We propose a novel many-body framework combining the density matrix renormalization
group (DMRG) with the valence-space (VS) formulation of the in-medium similarity …

Nuclear properties with semilocal momentum-space regularized chiral interactions beyond

LENPIC Collaboration, P Maris, R Roth, E Epelbaum… - Physical Review C, 2022 - APS
We present a comprehensive investigation of few-nucleon systems as well as light and
medium-mass nuclei up to A= 48 using the current Low Energy Nuclear Physics …

[HTML][HTML] Towards heavy-mass ab initio nuclear structure: Open-shell Ca, Ni and Sn isotopes from Bogoliubov coupled-cluster theory

A Tichai, P Demol, T Duguet - Physics Letters B, 2024 - Elsevier
Recent developments in nuclear many-body theory enabled the description of open-shell
medium-mass nuclei from first principles by exploiting the spontaneous breaking of …