Data di Pubblicazione:
2023
Citazione:
Quantum Monte Carlo calculations in configuration space with three-nucleon forces / P. Arthuis, C. Barbieri, F. Pederiva, A. Roggero. - In: PHYSICAL REVIEW C. - ISSN 2469-9985. - 107:4(2023 Mar 07), pp. 044303.1-044303.9. [10.1103/physrevc.107.044303]
Abstract:
Neutron matter, through its connection to neutron stars as well as systems such as 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 us 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 nonlocal interactions. In this work we
extend CIMC method to include three-nucleon interactions through the normal-ordered two-body approximation.
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.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
P. Arthuis, C. Barbieri, F. Pederiva, A. Roggero
Link alla scheda completa:
Link al Full Text: