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Corrections to nuclear energies and radii in finite oscillator spaces
R. J. Furnstahl, G. Hagen, T. Papenbrock
We derive corrections to the ground-state energies and radii of atomic nuclei that result from the limitations of finite oscillator spaces.
Time-dependent coupled-cluster method for atomic nuclei
D. A. Pigg, G. Hagen, H. Nam +1
We study time-dependent coupled-cluster theory in the framework of nuclear physics. Based on Kvaal's bi-variational formulation of this method [S. Kvaal, arXiv:1201.5548], we expli…
Computational aspects of nuclear coupled-cluster theory
Gaute Hagen, Hai Ah Nam
We discuss computational aspects of the spherical coupled-cluster method specific to the nuclear many-body problem. Using chiral nucleon-nucleon interaction at next-to-next-to-next…
Continuum effects and three-nucleon forces in neutron-rich oxygen isotopes
G. Hagen, M. Hjorth-Jensen, G. R. Jansen +2
We employ interactions from chiral effective field theory and compute binding energies, excited states, and radii for isotopes of oxygen with the coupled-cluster method. Our calcul…