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Title: Quantum Monte Carlo calculations in configuration space with three-nucleon forces

Abstract

Neutron matter, through its connection to neutron stars as well as systems like cold atom gases, is one of the most interesting yet computationally accessible systems in nuclear physics. The Configuration-Interaction Monte Carlo (CIMC) method is a stochastic many-body technique allowing to tackle strongly coupled systems. In contrast to other Quantum Monte Carlo methods employed in nuclear physics, the CIMC method can be formulated directly in momentum space allowing for an efficient use of non-local interactions. In this work we extend CIMC method to include three-nucleon interactions through the normal-ordered two-body approximation. Here, we present results for the equation of state of neutron matter in line with other many-body calculations that employ low resolution chiral interactions, and provide predictions for the momentum distribution and the static structure factor.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [3];  [4]
  1. Darmstadt Univ. of Technology (Germany); GSI-Helmholtz Centre for Heavy Ion Research, Darmstadt (Germany)
  2. Univ. degli Studi di Milano (Italy); Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy)
  3. Univ. of Trento (Italy); Istituto Nazionale di Fisica Nucleare (INFN), Trento (Italy)
  4. Univ. of Trento (Italy); Istituto Nazionale di Fisica Nucleare (INFN), Trento (Italy); Univ. of Washington, Seattle, WA (United States). InQubator for Quantum Simulation (IQuS)
Publication Date:
Research Org.:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); Science and Technology Facilities Council (STFC) (United Kingdom); German Federal Ministry of Education and Research (BMBF); German Research Foundation (DFG)
OSTI Identifier:
1968749
Report Number(s):
IQuS@UW-21-026
Journal ID: ISSN 2469-9985; IQuS@UW-21-026; 2203.16167 [nucl-th];; TRN: US2313345
Grant/Contract Number:  
SC0020970; AC02-05CH11231; NP-ERCAP0020946; ST/L005816/1; ST/V001108/1; 279384907; 05P18RDFN1
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. C
Additional Journal Information:
Journal Volume: 107; 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; Three-nucleon forces; CIMC

Citation Formats

Arthuis, Pierre, Barbieri, Carlo, Pederiva, Francesco, and Roggero, Alessandro. Quantum Monte Carlo calculations in configuration space with three-nucleon forces. United States: N. p., 2023. Web. doi:10.1103/physrevc.107.044303.
Arthuis, Pierre, Barbieri, Carlo, Pederiva, Francesco, & Roggero, Alessandro. Quantum Monte Carlo calculations in configuration space with three-nucleon forces. United States. https://doi.org/10.1103/physrevc.107.044303
Arthuis, Pierre, Barbieri, Carlo, Pederiva, Francesco, and Roggero, Alessandro. Wed . "Quantum Monte Carlo calculations in configuration space with three-nucleon forces". United States. https://doi.org/10.1103/physrevc.107.044303. https://www.osti.gov/servlets/purl/1968749.
@article{osti_1968749,
title = {Quantum Monte Carlo calculations in configuration space with three-nucleon forces},
author = {Arthuis, Pierre and Barbieri, Carlo and Pederiva, Francesco and Roggero, Alessandro},
abstractNote = {Neutron matter, through its connection to neutron stars as well as systems like cold atom gases, is one of the most interesting yet computationally accessible systems in nuclear physics. The Configuration-Interaction Monte Carlo (CIMC) method is a stochastic many-body technique allowing to tackle strongly coupled systems. In contrast to other Quantum Monte Carlo methods employed in nuclear physics, the CIMC method can be formulated directly in momentum space allowing for an efficient use of non-local interactions. In this work we extend CIMC method to include three-nucleon interactions through the normal-ordered two-body approximation. Here, we present results for the equation of state of neutron matter in line with other many-body calculations that employ low resolution chiral interactions, and provide predictions for the momentum distribution and the static structure factor.},
doi = {10.1103/physrevc.107.044303},
journal = {Physical Review. C},
number = 4,
volume = 107,
place = {United States},
year = {Wed Apr 05 00:00:00 EDT 2023},
month = {Wed Apr 05 00:00:00 EDT 2023}
}

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