Effective field theory for lattice nuclei

N. Barnea, L. Contessi, D. Gazit, F. Pederiva, U. Van Kolck

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We show how nuclear effective field theory (EFT) and ab initio nuclear-structure methods can turn input from lattice quantum chromodynamics (LQCD) into predictions for the properties of nuclei. We argue that pionless EFT is the appropriate theory to describe the light nuclei obtained in LQCD simulations carried out at pion masses heavier than the physical pion mass. We solve the EFT using the effective-interaction hyperspherical harmonics and auxiliary-field diffusion Monte Carlo methods. Fitting the three leading-order EFT parameters to the deuteron, dineutron, and triton LQCD energies at mπ≈800MeV, we reproduce the corresponding alpha-particle binding and predict the binding energies of mass-5 and mass-6 ground states.

Original languageAmerican English
Article number052501
JournalPhysical Review Letters
Issue number5
StatePublished - 3 Feb 2015

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© 2015 American Physical Society.


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