TY - JOUR
T1 - Chiral Three-Nucleon Interactions in Light Nuclei, Neutron- α Scattering, and Neutron Matter
AU - Lynn, J. E.
AU - Tews, I.
AU - Carlson, J.
AU - Gandolfi, S.
AU - Gezerlis, A.
AU - Schmidt, Kevin
AU - Schwenk, A.
N1 - Publisher Copyright:
© 2016 American Physical Society.
PY - 2016/2/9
Y1 - 2016/2/9
N2 - We present quantum Monte Carlo calculations of light nuclei, neutron-α scattering, and neutron matter using local two- and three-nucleon (3N) interactions derived from chiral effective field theory up to next-to-next-to-leading order (N2LO). The two undetermined 3N low-energy couplings are fit to the He4 binding energy and, for the first time, to the spin-orbit splitting in the neutron-α P-wave phase shifts. Furthermore, we investigate different choices of local 3N-operator structures and find that chiral interactions at N2LO are able to simultaneously reproduce the properties of A=3,4,5 systems and of neutron matter, in contrast to commonly used phenomenological 3N interactions.
AB - We present quantum Monte Carlo calculations of light nuclei, neutron-α scattering, and neutron matter using local two- and three-nucleon (3N) interactions derived from chiral effective field theory up to next-to-next-to-leading order (N2LO). The two undetermined 3N low-energy couplings are fit to the He4 binding energy and, for the first time, to the spin-orbit splitting in the neutron-α P-wave phase shifts. Furthermore, we investigate different choices of local 3N-operator structures and find that chiral interactions at N2LO are able to simultaneously reproduce the properties of A=3,4,5 systems and of neutron matter, in contrast to commonly used phenomenological 3N interactions.
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U2 - 10.1103/PhysRevLett.116.062501
DO - 10.1103/PhysRevLett.116.062501
M3 - Article
AN - SCOPUS:84957990768
SN - 0031-9007
VL - 116
JO - Physical Review Letters
JF - Physical Review Letters
IS - 6
M1 - 062501
ER -