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 …

Phenomenology of Majorana zero modes in full-shell hybrid nanowires

C Payá, SD Escribano, A Vezzosi, F Peñaranda… - Physical Review B, 2024 - APS
Full-shell nanowires have been proposed as an alternative nanowire design in the search of
topological superconductivity and Majorana zero modes (MZMs). They are hybrid …

High-quality poor man's Majorana bound states from cavity embedding

Á Gómez-León, M Schirò, O Dmytruk - arXiv preprint arXiv:2407.12088, 2024 - arxiv.org
Poor man's Majorana Bound States (MBS) arise in minimal Kitaev chains when the
parameters are fine-tuned to a sweet spot. We consider an interacting two-site Kitaev chain …

Flux-tunable Kitaev chain in a quantum dot array

JDT Luna, AM Bozkurt, M Wimmer, CX Liu - arXiv preprint arXiv …, 2024 - arxiv.org
Connecting quantum dots through Andreev bound states in a semiconductor-
superconductor hybrid provides a platform to create a Kitaev chain. Interestingly, in a double …

Subgap states in semiconductor-superconductor devices for quantum technologies: Andreev qubits and minimal Majorana chains

RS Souto, R Aguado - arXiv preprint arXiv:2404.06592, 2024 - arxiv.org
In recent years, experimental advances have made it possible to achieve an unprecedented
degree of control over the properties of subgap bound states in hybrid nanoscale …

Interplay between Majorana and Shiba states in a minimal Kitaev chain coupled to a superconductor

M Alvarado, AL Yeyati, R Aguado, RS Souto - arXiv preprint arXiv …, 2024 - arxiv.org
Two semiconducting quantum dots (QDs) coupled through a superconductor constitute a
minimal realisation of a Kitaev chain with Majorana zero modes (MZMs). Such MZMs can be …

Interaction-induced strong zero modes in short quantum dot chains with time-reversal symmetry

AM Bozkurt, S Miles, SLD ten Haaf, CX Liu… - arXiv preprint arXiv …, 2024 - arxiv.org
We theoretically explore the emergence of strong zero modes in a two-site chain consisting
of two quantum dots coupled due to a central dot that mediates electron hopping and singlet …

Subgap States in Semiconductor-Superconductor Devices for Quantum Technologies: Andreev Qubits and Minimal Majorana Chains

R Seoane Souto, R Aguado - New Trends and Platforms for Quantum …, 2024 - Springer
In recent years, experimental advances have made it possible to achieve an unprecedented
degree of control over the properties of subgap bound states in hybrid nanoscale …

Integration and characterisation of superconducting thin films and high spin orbit coupling InSb 2DEGs

T Robinson - 2023 - orca.cardiff.ac.uk
One theoretical route towards fault proof quantum computing is the realisation of Majorana
Zero Modes (MZMs) at the ends of InSb nanowires coupled to conventional s-wave …