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

Lonardoni, D.; Gandolfi, S.; Lynn, J. E.; Petrie, C.; Carlson, J.; Schmidt, K. E.; Schwenk, Achim

doi:10.1103/PhysRevC.97.044318

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

MPG-Autoren

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Schwenk, Achim
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://doi.org/10.1103/PhysRevC.97.044318
(Verlagsversion)

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Zitation

Lonardoni, D., Gandolfi, S., Lynn, J. E., Petrie, C., Carlson, J., Schmidt, K. E., et al. (2018). Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions. Physical Review C, 97(4): 044318. doi:10.1103/PhysRevC.97.044318.

Zitierlink: https://hdl.handle.net/21.11116/0000-0001-BBCD-6

Zusammenfassung

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 work, 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≤A≤16. Particular attention is devoted to the effect of different operator structures in the three-body force for different cutoffs. 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 ¹⁶O, with the exception of one fit for the softer cutoff which predicts overbinding in larger nuclei.