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Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions

Journal Article · · Physical Review C
 [1];  [2];  [3];  [4];  [2];  [4];  [5]
  1. Michigan State Univ., East Lansing, MI (United States). Facility for Rare Isotope Beams; Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Technische Univ. Darmstadt (Germany). Inst. of Nuclear Physics; GSI Helmholtz Centre for Heavy Ion Research, Darmstadt (Germany). ExtreMe Matter Inst. (EMMI)
  4. Arizona State Univ., Tempe, AZ (United States). Dept. of Physics
  5. Technische Univ. Darmstadt (Germany). Inst. of Nuclear Physics; GSI Helmholtz Centre for Heavy Ion Research, Darmstadt (Germany). ExtreMe Matter Inst. (EMMI); Max Planck Inst. for Nuclear Physics, Heidelberg (Germany)
Quantum Monte Carlo methods have recently been employed to study properties of nuclei and infinite matter using local chiral effective-field-theory interactions. In this paper, we present a detailed description of the auxiliary field diffusion Monte Carlo algorithm for nuclei in combination with local chiral two- and three-nucleon interactions up to next-to-next-to-leading order. We show results for the binding energy, charge radius, charge form factor, and Coulomb sum rule in nuclei with $$3{\le}A{\le}16$$. Particular attention is devoted to the effect of different operator structures in the three-body force for different cutoffs. Finally, the outcomes suggest that local chiral interactions fit to few-body observables give a very good description of the ground-state properties of nuclei up to $$^{16}\mathrm{O}$$, with the exception of one fit for the softer cutoff which predicts overbinding in larger nuclei.
Research Organization:
Los Alamos National Laboratory (LANL)
Sponsoring Organization:
European Research Council (ERC); Federal Ministry of Education and Research (BMBF) (Germany); LANL Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF) (United States); USDOE; USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Grant/Contract Number:
AC02-05CH11231; AC52-06NA25396; SC0013617
OSTI ID:
1440450
Alternate ID(s):
OSTI ID: 1434391
Report Number(s):
LA-UR-18-21305
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 4 Vol. 97; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (13)

Exploring Bayesian parameter estimation for chiral effective field theory using nucleon–nucleon phase shifts journal February 2019
From the microscopic to the macroscopic world: from nucleons to neutron stars journal August 2019
Few-nucleon and many-nucleon systems with semilocal coordinate-space regularized chiral nucleon-nucleon forces journal July 2018
Single- and two-nucleon momentum distributions for local chiral interactions journal July 2018
Few- and many-nucleon systems with semilocal coordinate-space regularized chiral two- and three-body forces journal February 2019
Exploring new small system geometries in heavy ion collisions journal April 2019
Nuclear Charge Radii of B 10 , 11 journal May 2019
Local Nucleon-Nucleon and Three-Nucleon Interactions Within Chiral Effective Field Theory journal January 2020
Few- and many-nucleon systems with semilocal coordinate-space regularized chiral nucleon-nucleon forces text January 2018
Single- and two-nucleon momentum distributions for local chiral interactions text January 2018
Few- and many-nucleon systems with semilocal coordinate-space regularized chiral two- and three-body forces text January 2018
From the microscopic to the macroscopic world: from nucleons to neutron stars text January 2019
Local nucleon-nucleon and three-nucleon interactions within chiral effective field theory text January 2020

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