We apply high-order many-body perturbation theory for the calculation of ground-state
energies of closed-shell nuclei using realistic nuclear interactions. Using a simple recursive …

Nuclear many-body calculations are computationally demanding. An estimate of their
accuracy is often hampered by the limited amount of computational resources even on …

We apply degenerate many-body perturbation theory at high orders for the ab initio
description of ground states and excitation spectra of open-shell nuclei using soft realistic …

We investigate the order-by-order convergence behavior of many-body perturbation theory
(MBPT) as a simple and efficient tool to approximate the ground-state energy of closed-shell …

The extension of ab initio quantum many-body theory to higher accuracy and larger systems
is intrinsically limited by the handling of large data objects in form of wave-function …

In recent years many-body perturbation theory encountered a renaissance in the field of ab
initio nuclear structure theory. In various applications it was shown that perturbation theory …

Starting from realistic nuclear forces, the chiral N 3 LO and JISP16, we have applied many-
body perturbation theory (MBPT) to the structure of closed-shell nuclei, He 4 and O 16. The …

The solution of the nuclear A-body problem encounters severe limitations from the size of
many-body operators that are processed to solve the stationary Schrödinger equation …

The nuclear many-body problem for medium-mass systems is commonly addressed using
wave-function expansion methods that build upon a second-quantized representation of …

Quantum many-body theory has witnessed tremendous progress in various fields, ranging
from atomic and solid-state physics to quantum chemistry and nuclear structure. Due to the …