Realization of a minimal Kitaev chain in coupled quantum dots
Majorana bound states constitute one of the simplest examples of emergent non-Abelian
excitations in condensed matter physics. A toy model proposed by Kitaev shows that such …
excitations in condensed matter physics. A toy model proposed by Kitaev shows that such …
Singlet and triplet Cooper pair splitting in hybrid superconducting nanowires
In most naturally occurring superconductors, electrons with opposite spins form Cooper
pairs. This includes both conventional s-wave superconductors such as aluminium, as well …
pairs. This includes both conventional s-wave superconductors such as aluminium, as well …
Robust poor man's Majorana zero modes using Yu-Shiba-Rusinov states
Kitaev chains in quantum dot-superconductor arrays are a promising platform for the
realization of topological superconductivity. As recently demonstrated, even a two-site chain …
realization of topological superconductivity. As recently demonstrated, even a two-site chain …
Tunable crossed Andreev reflection and elastic cotunneling in hybrid nanowires
A short superconducting segment can couple attached quantum dots via elastic cotunneling
(ECT) and crossed Andreev reflection (CAR). Such coupled quantum dots can host …
(ECT) and crossed Andreev reflection (CAR). Such coupled quantum dots can host …
Crossed Andreev reflection and elastic cotunneling in three quantum dots coupled by superconductors
The formation of a topological superconducting phase in a quantum-dot–based Kitaev chain
requires nearest neighbor crossed Andreev reflection and elastic cotunneling. Here, we …
requires nearest neighbor crossed Andreev reflection and elastic cotunneling. Here, we …
Electrostatic control of the proximity effect in the bulk of semiconductor-superconductor hybrids
The proximity effect in semiconductor-superconductor nanowires is expected to generate an
induced gap in the semiconductor. The magnitude of this induced gap, together with the …
induced gap in the semiconductor. The magnitude of this induced gap, together with the …
Progress in superconductor-semiconductor topological Josephson junctions
Majorana bound states (MBSs) are quasiparticles that are their own antiparticles. They are
predicted to emerge as zero-energy modes localized at the boundary of a topological …
predicted to emerge as zero-energy modes localized at the boundary of a topological …
Crossed Andreev reflection and elastic co-tunneling in a three-site Kitaev chain nanowire device
The formation of a topological superconducting phase in a quantum-dot-based Kitaev chain
requires nearest neighbor crossed Andreev reflection and elastic co-tunneling. Here we …
requires nearest neighbor crossed Andreev reflection and elastic co-tunneling. Here we …
SQUID oscillations in PbTe nanowire networks
Y Gao, W Song, Z Yu, S Yang, Y Wang, R Li, F Chen… - Physical Review B, 2024 - APS
Network structures by semiconductor nanowires hold great promise for advanced quantum
devices, especially for applications in topological quantum computing. In this paper, we …
devices, especially for applications in topological quantum computing. In this paper, we …
Adversarial Hamiltonian learning of quantum dots in a minimal Kitaev chain
Determining Hamiltonian parameters from noisy experimental measurements is a key task
for the control of experimental quantum systems. An interesting experimental platform where …
for the control of experimental quantum systems. An interesting experimental platform where …