Angle-resolved photoemission spectroscopy study of topological quantum materials

C Zhang, Y Li, D Pei, Z Liu… - Annual Review of Materials …, 2020 - annualreviews.org
The recently discovered topological quantum materials (TQMs) have electronic structures
that can be characterized by certain topological invariants. In these novel materials, the …

[HTML][HTML] Optoelectronic devices, plasmonics, and photonics with topological insulators

A Politano, L Viti, MS Vitiello - APL Materials, 2017 - pubs.aip.org
Topological insulators are innovative materials with semiconducting bulk together with
surface states forming a Dirac cone, which ensure metallic conduction in the surface plane …

[HTML][HTML] HgCdTe-based heterostructures for terahertz photonics

S Ruffenach, A Kadykov, VV Rumyantsev, J Torres… - APL Materials, 2017 - pubs.aip.org
Due to their specific physical properties, HgCdTe-based heterostructures are expected to
play an important role in terahertz photonic systems. Here, focusing on gated devices …

Wireless Majorana bound states: From magnetic tunability to braiding

GL Fatin, A Matos-Abiague, B Scharf, I Žutić - Physical review letters, 2016 - APS
We propose a versatile platform to investigate the existence of Majorana bound states
(MBSs) and their non-Abelian statistics through braiding. This implementation combines a …

Magnetic field effects on edge and bulk states in topological insulators based on HgTe/CdHgTe quantum wells with strong natural interface inversion asymmetry

MV Durnev, SA Tarasenko - Physical Review B, 2016 - APS
We present a theory of the electron structure and the Zeeman effect for the helical edge
states emerging in two-dimensional topological insulators based on HgTe/HgCdTe quantum …

Topological phase detection in Rashba nanowires with a quantum dot

D Chevallier, P Szumniak, S Hoffman, D Loss… - Physical Review B, 2018 - APS
We study theoretically the detection of the topological phase transition occurring in Rashba
nanowires with proximity-induced superconductivity using a quantum dot. The bulk states …

Orbital Contributions to the Electron Factor in Semiconductor Nanowires

GW Winkler, D Varjas, R Skolasinski, AA Soluyanov… - Physical review …, 2017 - APS
Recent experiments on Majorana fermions in semiconductor nanowires [SM Albrecht, AP
Higginbotham, M. Madsen, F. Kuemmeth, TS Jespersen, J. Nygård, P. Krogstrup, and CM …

Testing topological protection of edge states in hexagonal quantum spin Hall candidate materials

F Dominguez, B Scharf, G Li, J Schäfer, R Claessen… - Physical Review B, 2018 - APS
We analyze the detailed structure of topological edge mode protection occurring in
hexagonal quantum spin Hall (QSH) materials. We focus on bismuthene, antimonene, and …

Nonlinear ballistic response of quantum spin Hall edge states

P Bhalla, MX Deng, RQ Wang, L Wang, D Culcer - Physical Review Letters, 2021 - APS
Topological edge states (TES) exhibit dissipationless transport, yet their dispersion has
never been probed. Here we show that the nonlinear electrical response of ballistic TES …

Suppression of the overlap between Majorana fermions by orbital magnetic effects in semiconducting-superconducting nanowires

O Dmytruk, J Klinovaja - Physical Review B, 2018 - APS
We study both analytically and numerically the role of orbital effects caused by a magnetic
field applied along the axis of a semiconducting Rashba nanowire in the topological regime …