Realization of a minimal Kitaev chain in coupled quantum dots

T Dvir, G Wang, N van Loo, CX Liu, GP Mazur, A Bordin… - Nature, 2023 - nature.com
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 …

Triplet correlations in Cooper pair splitters realized in a two-dimensional electron gas

Q Wang, SLD Ten Haaf, I Kulesh, D Xiao… - Nature …, 2023 - nature.com
Cooper pairs occupy the ground state of superconductors and are typically composed of
maximally entangled electrons with opposite spin. In order to study the spin and …

Singlet and triplet Cooper pair splitting in hybrid superconducting nanowires

G Wang, T Dvir, GP Mazur, CX Liu, N van Loo… - Nature, 2022 - nature.com
In most naturally occurring superconductors, electrons with opposite spins form Cooper
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

F Zatelli, D van Driel, D Xu, G Wang, CX Liu… - Nature …, 2024 - nature.com
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 …

Tunable crossed Andreev reflection and elastic cotunneling in hybrid nanowires

A Bordin, G Wang, CX Liu, SLD Ten Haaf, N Van Loo… - Physical Review X, 2023 - APS
A short superconducting segment can couple attached quantum dots via elastic cotunneling
(ECT) and crossed Andreev reflection (CAR). Such coupled quantum dots can host …

Majorana qubits and non-abelian physics in quantum dot–based minimal Kitaev chains

A Tsintzis, RS Souto, K Flensberg, J Danon, M Leijnse - PRX quantum, 2024 - APS
The possibility of engineering artificial Kitaev chains in arrays of quantum dots coupled via
narrow superconducting regions has emerged as an attractive way to overcome the disorder …

Enhancing the excitation gap of a quantum-dot-based Kitaev chain

CX Liu, AM Bozkurt, F Zatelli, SLD ten Haaf… - Communications …, 2024 - nature.com
Connecting double quantum dots via a semiconductor-superconductor hybrid segment
offers a platform for creating a two-site Kitaev chain that hosts Majorana zero modes at a …

Crossed Andreev reflection and elastic cotunneling in three quantum dots coupled by superconductors

A Bordin, X Li, D Van Driel, JC Wolff, Q Wang… - Physical review …, 2024 - APS
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 …

Minimal Kitaev-transmon qubit based on double quantum dots

DM Pino, RS Souto, R Aguado - Physical Review B, 2024 - APS
Minimal Kitaev chains composed of two semiconducting quantum dots coupled via a
superconductor have emerged as a promising platform to realize and study Majorana bound …

Probing Majorana localization in minimal Kitaev chains through a quantum dot

RS Souto, A Tsintzis, M Leijnse, J Danon - Physical Review Research, 2023 - APS
Artificial Kitaev chains, formed by quantum dots coupled via superconductors, have
emerged as a promising platform for realizing Majorana bound states. Even a minimal …