The role of three-nucleon potentials within the shell model: Past and present

L Coraggio, G De Gregorio, T Fukui, A Gargano… - Progress in Particle and …, 2024 - Elsevier
We survey the impact of nuclear three-body forces on structure properties of nuclei within the
shell model. It has long been acknowledged, since the seminal works of Zuker and …

Thick-restart block Lanczos method for large-scale shell-model calculations

N Shimizu, T Mizusaki, Y Utsuno, Y Tsunoda - Computer Physics …, 2019 - Elsevier
We propose a thick-restart block Lanczos method, which is an extension of the thick-restart
Lanczos method with the block algorithm, as an eigensolver of the large-scale shell-model …

Few-and many-nucleon systems with semilocal coordinate-space regularized chiral two-and three-body forces

E Epelbaum, J Golak, K Hebeler, T Hüther, H Kamada… - Physical Review C, 2019 - APS
We present calculations of nucleon-deuteron scattering as well as ground and low-lying
excited states of light nuclei in the mass range A= 3–16 up through next-to-next-to-leading …

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 …

Chiral uncertainties in ab initio elastic nucleon-nucleus scattering

RB Baker, M Burrows, C Elster, KD Launey… - Frontiers in …, 2023 - frontiersin.org
The effective interaction between a nucleon and a nucleus is one of the most important
ingredients for reaction theories. Theoretical formulations were introduced early by …

Light nuclei with semilocal momentum-space regularized chiral interactions up to third order

P Maris, E Epelbaum, RJ Furnstahl, J Golak, K Hebeler… - Physical Review C, 2021 - APS
We present a systematic investigation of few-nucleon systems and light nuclei using the
current Low Energy Nuclear Physics International Collaboration interactions comprising …

A robust and efficient implementation of LOBPCG

JA Duersch, M Shao, C Yang, M Gu - SIAM Journal on Scientific Computing, 2018 - SIAM
Locally Optimal Block Preconditioned Conjugate Gradient (LOBPCG) is widely used to
compute eigenvalues of large sparse symmetric matrices. The algorithm can suffer from …

Ab initio folding potentials for nucleon-nucleus scattering based on no-core shell-model one-body densities

M Burrows, C Elster, SP Weppner, KD Launey, P Maris… - Physical Review C, 2019 - APS
Background: Calculating microscopic optical potentials for elastic nucleon-nucleus
scattering has already led to large body of work in the past. For folding first-order …

Magnetic moments of nuclei obtained from chiral effective field theory operators

S Pal, S Sarker, PJ Fasano, P Maris, JP Vary… - Physical Review C, 2023 - APS
Chiral effective field theory (χ EFT) provides a framework for obtaining internucleon
interactions in a systematically improvable fashion from first principles, while also providing …

Natural orbitals for the ab initio no-core configuration interaction approach

PJ Fasano, C Constantinou, MA Caprio, P Maris… - Physical Review C, 2022 - APS
Ab initio no-core configuration interaction (NCCI) calculations for the nuclear many-body
problem have traditionally relied upon an antisymmetrized product (Slater determinant) …