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

Abstract

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.

Authors:
 [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)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); LANL Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF); European Research Council (ERC); German Federal Ministry of Education and Research (BMBF)
OSTI Identifier:
1440450
Alternate Identifier(s):
OSTI ID: 1434391
Report Number(s):
LA-UR-18-21305
Journal ID: ISSN 2469-9985; TRN: US1900739
Grant/Contract Number:  
AC52-06NA25396; SC0013617; AC02-05CH11231; PHY-1404405; ACI-1548562; 307986; 05P15RDFN1
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 97; Journal Issue: 4; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Atomic and Nuclear Physics

Citation Formats

Lonardoni, D., Gandolfi, S., Lynn, J. E., Petrie, C., Carlson, J., Schmidt, K. E., and Schwenk, A. Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions. United States: N. p., 2018. Web. doi:10.1103/PhysRevC.97.044318.
Lonardoni, D., Gandolfi, S., Lynn, J. E., Petrie, C., Carlson, J., Schmidt, K. E., & Schwenk, A. Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions. United States. doi:10.1103/PhysRevC.97.044318.
Lonardoni, D., Gandolfi, S., Lynn, J. E., Petrie, C., Carlson, J., Schmidt, K. E., and Schwenk, A. Tue . "Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions". United States. doi:10.1103/PhysRevC.97.044318. https://www.osti.gov/servlets/purl/1440450.
@article{osti_1440450,
title = {Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions},
author = {Lonardoni, D. and Gandolfi, S. and Lynn, J. E. and Petrie, C. and Carlson, J. and Schmidt, K. E. and Schwenk, A.},
abstractNote = {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.},
doi = {10.1103/PhysRevC.97.044318},
journal = {Physical Review C},
number = 4,
volume = 97,
place = {United States},
year = {2018},
month = {4}
}

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