Diode effect in Josephson junctions with a single magnetic atom
Current flow in electronic devices can be asymmetric with bias direction, a phenomenon
underlying the utility of diodes and known as non-reciprocal charge transport. The promise …
underlying the utility of diodes and known as non-reciprocal charge transport. The promise …
Sublattice modulated superconductivity in the kagome Hubbard model
We identify a superconducting order featuring spatial pair modulations on the kagome lattice
subject to on-site Hubbard U and nearest-neighbor V interactions. Within our functional …
subject to on-site Hubbard U and nearest-neighbor V interactions. Within our functional …
Cooper pair excitation mediated by a molecular quantum spin on a superconducting proximitized gold film
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 …
providing at least twice the pairing energy Δ. Here, we show that a single tunneling electron …
Yu-shiba-rusinov qubit
Magnetic impurities in s-wave superconductors lead to spin-polarized Yu-Shiba-Rusinov
(YSR) in-gap states. Chains of magnetic impurities offer one of the most viable routes for the …
(YSR) in-gap states. Chains of magnetic impurities offer one of the most viable routes for the …
Controlling Majorana hybridization in magnetic chain-superconductor systems
We propose controlling the hybridization between Majorana zero modes at the ends of
magnetic adatom chains on superconductors by an additional magnetic adatom deposited …
magnetic adatom chains on superconductors by an additional magnetic adatom deposited …
Microwave excitation of atomic scale superconducting bound states
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 …
gap, so called Yu-Shiba-Rusinov (YSR) states. They are parity protected, which enhances …
[PDF][PDF] Pair density wave instability in the kagome Hubbard model
We identify a pair density wave (PDW) instability for electrons on the kagome lattice subject
to onsite Hubbard U and nearest neighbor V interactions. Within our functional …
to onsite Hubbard U and nearest neighbor V interactions. Within our functional …
Universal scaling of tunable Yu-Shiba-Rusinov states across the quantum phase transition
Quantum magnetic impurities give rise to a wealth of phenomena attracting tremendous
research interest in recent years. On a normal metal, magnetic impurities generate the …
research interest in recent years. On a normal metal, magnetic impurities generate the …
Andreev spin-noise detector
We investigate the possibility to employ magnetic Josephson junctions as magnetic noise
detectors. To illustrate our idea, we consider a system consisting of a quantum dot coupled …
detectors. To illustrate our idea, we consider a system consisting of a quantum dot coupled …
Zeeman effects on Yu-Shiba-Rusinov states
T Machida, Y Nagai, T Hanaguri - Physical Review Research, 2022 - APS
When the exchange interaction between the impurity spin and the spins of itinerant
quasiparticles is strong or weak enough, the ground states for a magnetic impurity in a …
quasiparticles is strong or weak enough, the ground states for a magnetic impurity in a …