Helical liquids in semiconductors

CH Hsu, P Stano, J Klinovaja… - … Science and Technology, 2021 - iopscience.iop.org
One-dimensional helical liquids can appear at boundaries of certain condensed matter
systems. Two prime examples are the edge of a quantum spin Hall insulator and the hinge …

Stanene: A good platform for topological insulator and topological superconductor

CX Zhao, JF Jia - Frontiers of Physics, 2020 - Springer
Two dimensional (2D) topological insulators (TIs) and topological superconductors (TSCs)
have been intensively studied for recent years due to their great potential for dissipationless …

Edge transport in the trivial phase of InAs/GaSb

F Nichele, HJ Suominen, M Kjaergaard… - New Journal of …, 2016 - iopscience.iop.org
We present transport and scanning SQUID measurements on InAs/GaSb double quantum
wells, a system predicted to be a two-dimensional topological insulator. Top and back gates …

Tuning Edge States in Strained-Layer Quantum Spin Hall Insulators

L Du, T Li, W Lou, X Wu, X Liu, Z Han, C Zhang… - Physical review …, 2017 - APS
We report on a class of quantum spin Hall insulators (QSHIs) in strained-layer InAs/GaInSb
quantum wells, in which the bulk gaps are enhanced up to fivefold as compared to the …

Effects of nuclear spins on the transport properties of the edge of two-dimensional topological insulators

CH Hsu, P Stano, J Klinovaja, D Loss - Physical Review B, 2018 - APS
The electrons in the edge channels of two-dimensional topological insulators can be
described as a helical Tomonaga-Luttinger liquid. They couple to nuclear spins embedded …

[HTML][HTML] Topological materials by molecular beam epitaxy

M Brahlek, J Lapano, JS Lee - Journal of Applied Physics, 2020 - pubs.aip.org
Topology appears across condensed matter physics to describe a wide array of phenomena
which could alter, augment, or fundamentally change the functionality of many technologies …

Nonlocal transport via edge states in InAs/GaSb coupled quantum wells

S Mueller, AN Pal, M Karalic, T Tschirky, C Charpentier… - Physical Review B, 2015 - APS
We have investigated low-temperature electronic transport on InAs/GaSb double quantum
wells, a system which promises to be electrically tunable from a normal to a topological …

Superconducting Quantum Interference through Trivial Edge States in InAs

FK De Vries, T Timmerman, VP Ostroukh, J Van Veen… - Physical Review Letters, 2018 - APS
Josephson junctions defined in strong spin orbit semiconductors are highly interesting for
the search for topological systems. However, next to topological edge states that emerge in …

Majorana spin in magnetic atomic chain systems

J Li, S Jeon, Y **e, A Yazdani, BA Bernevig - Physical Review B, 2018 - APS
In this paper, we establish that Majorana zero modes emerging from a topological band
structure of a chain of magnetic atoms embedded in a superconductor can be distinguished …

Quantum spin Hall insulator with a large bandgap, Dirac fermions, and bilayer graphene analog

SS Krishtopenko, F Teppe - Science advances, 2018 - science.org
The search for room temperature quantum spin Hall insulators (QSHIs) based on widely
available materials and a controlled manufacturing process is one of the major challenges of …