Rashba-like physics in condensed matter

G Bihlmayer, P Noël, DV Vyalikh, EV Chulkov… - Nature Reviews …, 2022 - nature.com
Spin–orbit coupling induces a unique form of Zeeman interaction in momentum space in
materials that lack inversion symmetry: the electron's spin is locked on an effective magnetic …

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 …

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 …

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 …

New dimension in magnetism and superconductivity: 3D and curvilinear nanoarchitectures

D Makarov, OM Volkov, A Kákay… - Advanced …, 2022 - Wiley Online Library
Traditionally, the primary field, where curvature has been at the heart of research, is the
theory of general relativity. In recent studies, however, the impact of curvilinear geometry …

Evidence of topological boundary modes with topological nodal-point superconductivity

AK Nayak, A Steinbok, Y Roet, J Koo, G Margalit… - Nature physics, 2021 - nature.com
Topological superconductors are an essential component for topologically protected
quantum computation and information processing. Although signatures 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 …

Altermagnetic routes to Majorana modes in zero net magnetization

SAA Ghorashi, TL Hughes, J Cano - Physical Review Letters, 2024 - APS
We propose heterostructures that realize first and second order topological
superconductivity with vanishing net magnetization by utilizing altermagnetism. Such …

Nontopological zero-bias peaks in full-shell nanowires induced by flux-tunable Andreev states

M Valentini, F Peñaranda, A Hofmann, M Brauns… - Science, 2021 - science.org
A semiconducting nanowire fully wrapped by a superconducting shell has been proposed
as a platform for obtaining Majorana modes at small magnetic fields. In this study, we …