Tunneling spectroscopy of quasiparticle bound states in a spinful Josephson junction
The spectrum of a segment of InAs nanowire, confined between two superconducting leads,
was measured as function of gate voltage and superconducting phase difference using a …
was measured as function of gate voltage and superconducting phase difference using a …
Shiba states and zero-bias anomalies in the hybrid normal-superconductor Anderson model
Hybrid semiconductor-superconductor systems are interesting melting pots where various
fundamental effects in condensed-matter physics coexist. For example, when a quantum dot …
fundamental effects in condensed-matter physics coexist. For example, when a quantum dot …
Surrogate model solver for impurity-induced superconducting subgap states
A simple impurity solver is shown to capture impurity-induced superconducting subgap
states in quantitative agreement with the numerical renormalization group and quantum …
states in quantitative agreement with the numerical renormalization group and quantum …
Spin-1 Haldane chains of superconductor-semiconductor hybrids
We theoretically explore the possibility of realizing the symmetry-protected topological
Haldane phase of spin-1 chains in a tunable hybrid platform of superconducting islands …
Haldane phase of spin-1 chains in a tunable hybrid platform of superconducting islands …
In-gap states of a quantum dot coupled between a normal and a superconducting lead
J Barański, T Domański - Journal of Physics: Condensed Matter, 2013 - iopscience.iop.org
We study the in-gap states of a quantum dot hybridized with one conducting and another
superconducting electrode. The proximity effect suppresses the electronic states in the entire …
superconducting electrode. The proximity effect suppresses the electronic states in the entire …
Perturbation theory for an Anderson quantum dot asymmetrically attached to two superconducting leads
Self-consistent perturbation expansion up to the second order in the interaction strength is
used to study a single-level quantum dot with local Coulomb repulsion attached …
used to study a single-level quantum dot with local Coulomb repulsion attached …
Spectral and transport properties of a half-filled Anderson impurity coupled to phase-biased superconducting and metallic leads
We derive and apply a general scheme for map** a setup consisting of a half-filled single-
level quantum dot coupled to one normal metallic and two superconducting phase-biased …
level quantum dot coupled to one normal metallic and two superconducting phase-biased …
Fractional spin and Josephson effect in time-reversal-invariant topological superconductors
Time-reversal-invariant topological superconducting (TRITOPS) wires are known to host a
fractional spin ℏ/4 at their ends. We investigate how this fractional spin affects the …
fractional spin ℏ/4 at their ends. We investigate how this fractional spin affects the …
Quantum dot attached to superconducting leads: Relation between symmetric and asymmetric coupling
We study the Anderson single-level quantum dot attached to two BCS superconducting
leads with the same gap size. We reveal that a system with asymmetric tunnel coupling to …
leads with the same gap size. We reveal that a system with asymmetric tunnel coupling to …
YSR Bond Qubit in a Double Quantum Dot with cQED Operation
GO Steffensen, AL Yeyati - arxiv preprint arxiv:2402.19261, 2024 - arxiv.org
Connecting two half-filled quantum dots to two superconducting leads induces a competition
of bonds, with the dots forming either an interdot exchange bond or two individual Yu-Shiba …
of bonds, with the dots forming either an interdot exchange bond or two individual Yu-Shiba …