One of the most exciting areas of research in quantum condensed matter physics is the push
to create topologically protected qubits using non-Abelian anyons. The focus of these efforts …

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

A simple impurity solver is shown to capture impurity-induced superconducting subgap
states in quantitative agreement with the numerical renormalization group and quantum …

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 …

A magnetic impurity on a superconductor induces Yu-Shiba-Rusinov (YSR) bound states,
detected by tunneling spectroscopy as long-lived quasiparticle excitations inside the …

The exchange interaction of a brominated Co-porphyrin molecule with the Cooper pair
condensate of Pb (111) is modified by reducing the Co–surface separation. The stepwise …

Using double quantum dots as the weak link of a Josephson junction, we realize the
superconducting analog of the celebrated two-impurity Kondo model. The device shows a …

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 impurities on superconductors lead to bound states within the superconducting
gap, so called Yu-Shiba-Rusinov (YSR) states. They are parity protected, which enhances …