Engineered platforms for topological superconductivity and Majorana zero modes

K Flensberg, F von Oppen, A Stern - Nature Reviews Materials, 2021 - nature.com
Among the major avenues that are being pursued for realizing quantum bits, the Majorana-
based approach has been the most recent to be launched. It attempts to realize qubits that …

From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires

E Prada, P San-Jose, MWA de Moor, A Geresdi… - Nature Reviews …, 2020 - nature.com
Inhomogeneous superconductors can host electronic excitations, known as Andreev bound
states (ABSs), below the superconducting energy gap. With the advent of topological …

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 …

InAs-Al hybrid devices passing the topological gap protocol

M Aghaee, A Akkala, Z Alam, R Ali, A Alcaraz Ramirez… - Physical Review B, 2023 - APS
We present measurements and simulations of semiconductor-superconductor
heterostructure devices that are consistent with the observation of topological …

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 …

A two-site Kitaev chain in a two-dimensional electron gas

SLD Ten Haaf, Q Wang, AM Bozkurt, CX Liu, I Kulesh… - Nature, 2024 - nature.com
Artificial Kitaev chains can be used to engineer Majorana bound states (MBSs) in
superconductor–semiconductor hybrids,,–. In this work, we realize a two-site Kitaev chain in …

Topological superconductivity in hybrid devices

SM Frolov, MJ Manfra, JD Sau - Nature Physics, 2020 - nature.com
Topological superconductivity can emerge from the combination of conventional
superconductivity in a metal and strong spin–orbit coupling in a semiconductor when they …

Physical mechanisms for zero-bias conductance peaks in Majorana nanowires

H Pan, S Das Sarma - Physical Review Research, 2020 - APS
Motivated by the need to understand and simulate the ubiquitous experimentally observed
zero-bias conductance peaks in superconductor-semiconductor hybrid structures, we …

Disorder-induced zero-bias peaks in Majorana nanowires

S Das Sarma, H Pan - Physical Review B, 2021 - APS
Focusing specifically on the recently retracted work by Zhang et al.[H. Zhang et al., Nature
(London) 556, 74 (2018) NATUAS 0028-0836 10.1038/nature26142; Retraction, Nature …

Flux-induced topological superconductivity in full-shell nanowires

S Vaitiekėnas, GW Winkler, B Van Heck, T Karzig… - Science, 2020 - science.org
INTRODUCTION Majorana zero modes (MZMs) localized at the ends of one-dimensional
topological superconductors are promising candidates for fault-tolerant quantum computing …