Helical liquids in semiconductors
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 …
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
Two dimensional (2D) topological insulators (TIs) and topological superconductors (TSCs)
have been intensively studied for recent years due to their great potential for dissipationless …
have been intensively studied for recent years due to their great potential for dissipationless …
Edge transport in the trivial phase of InAs/GaSb
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 …
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
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 …
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
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 …
described as a helical Tomonaga-Luttinger liquid. They couple to nuclear spins embedded …
[HTML][HTML] Topological materials by molecular beam epitaxy
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 …
which could alter, augment, or fundamentally change the functionality of many technologies …
Nonlocal transport via edge states in InAs/GaSb coupled quantum wells
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 …
wells, a system which promises to be electrically tunable from a normal to a topological …
Superconducting Quantum Interference through Trivial Edge States in InAs
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 …
the search for topological systems. However, next to topological edge states that emerge in …
Majorana spin in magnetic atomic chain systems
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 …
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
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 …
available materials and a controlled manufacturing process is one of the major challenges of …