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514 papers · 1 filter
Dynamics of density fluctuations in atomic nuclei
Francesca Bonaiti, Gaute Hagen, Thomas Papenbrock
We study the spatiotemporal patterns of density fluctuations in O and Ca using nuclear interactions from chiral effective field theory and the time-dependent coupl…
Chiral interactions and superfluidity in the calcium isotopic chain
A. Scalesi, A. Ekström, C. Forssén +1
We perform ab initio calculations of three-point mass differences in the odd- and even-mass Ca isotopes to probe nuclear superfluidity via empirical neutron pairing gaps.…
Computational schemes for the Magnus expansion of the in-medium similarity renormalization group
Matthias Heinz
The in-medium similarity renormalization group (IMSRG) is a popular many-body method used for computations of nuclei. It solves the many-body Schrödinger equation through a continu…
From closed shells to open shells: Coupled-cluster calculations of atomic nuclei
F. Marino, F. Bonaiti, P. Demol +6
Coupled-cluster theory is a powerful tool for first-principles calculations of atomic nuclei, enabling accurate predictions of nuclear observables across the Segrè chart. While cou…
Ab initio calculations of monopole sum rules: From finite nuclei to infinite nuclear matter
Francesca Bonaiti, Andrea Porro, Sonia Bacca +2
We compute moments of the isoscalar monopole response of N = Z closed-shell nuclei based on chiral nucleon-nucleon plus three-nucleon interactions. We employ the random phase appro…
Computing nuclear response functions with time-dependent coupled-cluster theory
Francesca Bonaiti, Cody Balos, Kyle Godbey +3
We compute nuclear response functions by solving the time-dependent A-body Schrödinger equation, recording the time-dependent transition moment and extracting spectral information…