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  NuHamil: A numerical code to generate nuclear two- and three-body matrix elements from chiral effective field theory

Miyagi, T. (2023). NuHamil: A numerical code to generate nuclear two- and three-body matrix elements from chiral effective field theory. European Physical Journal A, 59(7): 150. doi:10.1140/epja/s10050-023-01039-y.

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 Creators:
Miyagi, Takayuki1, Author           
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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 MPINP: Starke Wechselwirkung und exotische Kerne – Abteilung Blaum
 Abstract: The applicability of nuclear ab initio calculations has rapidly extended over the past decades. However, starting research projects is still challenging due to the required numerical expertise in the generation of underlying nuclear interaction matrix elements and many-body calculations. To ease the first issue, in this paper we introduce the numerical code NuHamil to generate the nucleon-nucleon (NN) and three-nucleon (3N) matrix elements expressed in a spherical harmonic-oscillator basis, inputs of many-body calculations. The ground-state energies for the selected doubly closed shell nuclei are calculated with the no-core shell-model (NCSM) and in-medium similarity renormalization group (IMSRG). The code is written in modern Fortran, and OpenMP+MPI hybrid parallelization is available for the 3N matrix-element calculations.

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 Dates: 2023-07-08
 Publication Status: Published online
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1140/epja/s10050-023-01039-y
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Title: European Physical Journal A
  Other : Eur. Phys. J. A
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Les Ulis, France : EDP Sciences
Pages: - Volume / Issue: 59 (7) Sequence Number: 150 Start / End Page: - Identifier: ISSN: 1434-6001
CoNE: https://pure.mpg.de/cone/journals/resource/954926989130