For the past decade, Majorana quasiparticles have become one of the hot topics in
condensed matter research. Besides the fundamental interest in the realization of particles …

The scattering of superconducting pairs by magnetic impurities on a superconducting
surface leads to pairs of sharp in-gap resonances known as Yu-Shiba-Rusinov (YSR) bound …

Magnetic adatom chains on surfaces constitute fascinating quantum spin systems.
Superconducting substrates suppress interactions with bulk electronic excitations but couple …

Interfacing magnetism with superconducting condensates is rapidly emerging as a viable
route for the development of innovative quantum technologies. In this context, the …

Breaking a correlated pair in a superconductor requires an even number of fermions
providing at least twice the pairing energy Δ. Here, we show that a single tunneling electron …

Theoretical descriptions of Yu-Shiba-Rusinov (YSR) states induced by magnetic impurities
inside the gap of a superconductor typically rely on a classical spin model or are restricted to …

Understanding the interplay between individual magnetic impurities and superconductivity is
crucial for bottom-up construction of novel phases of matter. Sub-gap bound states that are …

The coupling of a spin to an underlying substrate is the basis for a plethora of phenomena.
In the case of a metallic substrate, Kondo screening of the adatom magnetic moment can …

Magnetic impurities on superconductors induce discrete bound levels inside the
superconducting gap, known as Yu-Shiba-Rusinov (YSR) states. YSR levels are fully spin …

Magnetic impurities at surfaces of superconductors can induce bound states referred to as
Yu–Shiba–Rusinov states (ie Shiba states) within superconducting (SC) gaps. For …