In the early 1970s, Wilson developed the concept of a fully nonperturbative renormalization
group transformation. When applied to the Kondo problem, this numerical renormalization …

This review presents recent developments in the understanding of how impurities influence
the electronic states in the bulk properties of superconductors. The focus is on …

A semiconducting nanowire fully wrapped by a superconducting shell has been proposed
as a platform for obtaining Majorana modes at small magnetic fields. In this study, we …

We realize a hybrid superconductor-semiconductor transmon device in which the
Josephson effect is controlled by a gate-defined quantum dot in an In As-Al nanowire …

Carbon nanotubes (CNTs) are not intrinsically superconducting but they can carry a
supercurrent when connected to superconducting electrodes,,,. This supercurrent is mainly …

In this article, we review the state of the art on the transport properties of quantum dot
systems connected to superconducting and normal electrodes. The review is mainly focused …

We use a hybrid superconductor-semiconductor transmon device to perform spectroscopy of
a quantum dot Josephson junction tuned to be in a spin-1/2 ground state with an unpaired …

Gapless materials in electronic contact with superconductors acquire proximity-induced
superconductivity in a region near the interface,. Numerous proposals build on this addition …

We develop a general perturbative framework based on a superconducting atomic limit for
the description of Andreev bound states (ABS) in interacting quantum dots connected to …

We present a detailed study of the spectral properties of a locally correlated site embedded
in a Bardeen–Cooper–Schrieffer (BCS) superconducting medium. To this end the Anderson …