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 phenomena at defects in acoustic, photonic and solid-state lattices

ZK Lin, Q Wang, Y Liu, H Xue, B Zhang… - Nature Reviews …, 2023 - nature.com
There are two prominent applications of the mathematical concept of topology to the physics
of materials: band topology, which classifies different topological insulators and semimetals …

Topological phases of non-Hermitian systems

Z Gong, Y Ashida, K Kawabata, K Takasan… - Physical Review X, 2018 - APS
While Hermiticity lies at the heart of quantum mechanics, recent experimental advances in
controlling dissipation have brought about unprecedented flexibility in engineering non …

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 …

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 …

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 …

Zero-bias peaks and splitting in an Al–InAs nanowire topological superconductor as a signature of Majorana fermions

A Das, Y Ronen, Y Most, Y Oreg, M Heiblum… - Nature Physics, 2012 - nature.com
Majorana fermions are the only fermionic particles that are expected to be their own
antiparticles. Although elementary particles of the Majorana type have not been identified …

Topological superconductors: a review

M Sato, Y Ando - Reports on Progress in Physics, 2017 - iopscience.iop.org
This review elaborates pedagogically on the fundamental concept, basic theory, expected
properties, and materials realizations of topological superconductors. The relation between …

Search for Majorana fermions in superconductors

CWJ Beenakker - Annu. Rev. Condens. Matter Phys., 2013 - annualreviews.org
Majorana fermions (particles that are their own antiparticle) may or may not exist in nature as
elementary building blocks, but in condensed matter they can be constructed out of electron …