Non-Hermitian topological phenomena: A review

N Okuma, M Sato - Annual Review of Condensed Matter Physics, 2023 - annualreviews.org
The past decades have witnessed an explosion of interest in topological materials, and a lot
of mathematical concepts have been introduced in condensed matter physics. Among them …

Moiré heterostructures as a condensed-matter quantum simulator

DM Kennes, M Claassen, L **an, A Georges, AJ Millis… - Nature Physics, 2021 - nature.com
Twisted van der Waals heterostructures have latterly received prominent attention for their
many remarkable experimental properties and the promise that they hold for realizing …

Materials challenges and opportunities for quantum computing hardware

NP De Leon, KM Itoh, D Kim, KK Mehta, TE Northup… - Science, 2021 - science.org
BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …

Classification of topological quantum matter with symmetries

CK Chiu, JCY Teo, AP Schnyder, S Ryu - Reviews of Modern Physics, 2016 - APS
Topological materials have become the focus of intense research in recent years, since they
exhibit fundamentally new physical phenomena with potential applications for novel devices …

Topological insulators and superconductors

XL Qi, SC Zhang - Reviews of modern physics, 2011 - APS
Topological insulators are new states of quantum matter which cannot be adiabatically
connected to conventional insulators and semiconductors. They are characterized by a full …

Signatures of Majorana fermions in hybrid superconductor-semiconductor nanowire devices

V Mourik, K Zuo, SM Frolov, SR Plissard… - Science, 2012 - science.org
Majorana fermions are particles identical to their own antiparticles. They have been
theoretically predicted to exist in topological superconductors. Here, we report electrical …

New directions in the pursuit of Majorana fermions in solid state systems

J Alicea - Reports on progress in physics, 2012 - iopscience.iop.org
The 1937 theoretical discovery of Majorana fermions—whose defining property is that they
are their own anti-particles—has since impacted diverse problems ranging from neutrino …

Majorana zero modes in superconductor–semiconductor heterostructures

RM Lutchyn, EPAM Bakkers, LP Kouwenhoven… - Nature Reviews …, 2018 - nature.com
Realizing topological superconductivity and Majorana zero modes in the laboratory is a
major goal in condensed-matter physics. In this Review, we survey the current status of this …

Exponential protection of zero modes in Majorana islands

SM Albrecht, AP Higginbotham, M Madsen… - Nature, 2016 - nature.com
Majorana zero modes are quasiparticle excitations in condensed matter systems that have
been proposed as building blocks of fault-tolerant quantum computers. They are expected to …

Observation of Majorana fermions in ferromagnetic atomic chains on a superconductor

S Nadj-Perge, IK Drozdov, J Li, H Chen, S Jeon, J Seo… - Science, 2014 - science.org
Majorana fermions are predicted to localize at the edge of a topological superconductor, a
state of matter that can form when a ferromagnetic system is placed in proximity to a …