In this review article we discuss the present status of direct nuclear reactions and the nuclear
structure aspects one can study with them. We discuss the spectroscopic information we can …

Nuclear structure theory has recently gone through a major renewal with the development of
ab initio techniques that can be applied to a large number of atomic nuclei, well-beyond the …

Background: Recent advances in nuclear structure theory have led to the availability of
several complementary ab initio many-body techniques applicable to light and medium …

We extend the formalism of self-consistent Green's function theory to include three-body
interactions and apply it to isotopic chains around oxygen for the first time. The third-order …

Positron binding to molecules is key to extremely enhanced positron annihilation and
positron-based molecular spectroscopy. Although positron binding energies have been …

The recently developed ab initio many-body theory of positron molecule binding [J. Hofierka,
Many-body theory of positron binding to polyatomic molecules, Nature (London) 606, 688 …

We extend the self-consistent Green's functions formalism to take into account three-body
interactions. We analyze the perturbative expansion in terms of Feynman diagrams and …

A brief overview of various approaches to the optical-model description of nuclei is
presented. A survey of some of the formal aspects is given which links the Feshbach …

Hedin's equations provide an elegant route to compute the exact one-body Green's function
(or propagator) via the self-consistent iteration of a set of nonlinear equations. Its first-order …

The ultrafast hole dynamics triggered by the photoexcitation of molecular targets is a highly
correlated process even for those systems, such as organic molecules, having a weakly …