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 …
Time-resolved counterpropagating edge transport in the topological insulating phase
We have investigated the time-resolved low-energy charge dynamics in counterpropagating
edge channels formed in the quantum Hall regime of an electron-hole bilayer system in …
edge channels formed in the quantum Hall regime of an electron-hole bilayer system in …
Interplay of quantum spin Hall effect and spontaneous time-reversal symmetry breaking in electron-hole bilayers. I. Transport properties
T Paul, VF Becerra, T Hyart - Physical Review B, 2022 - APS
The band-inverted electron-hole bilayers, such as InAs/GaSb, are an interesting playground
for the interplay of quantum spin Hall effect and correlation effects because of the small …
for the interplay of quantum spin Hall effect and correlation effects because of the small …
Coulomb drag in topological wires separated by an air gap
Strong electron–electron interactions between adjacent nanoscale wires can lead to one-
dimensional Coulomb drag, where current in one wire induces a voltage in the second wire …
dimensional Coulomb drag, where current in one wire induces a voltage in the second wire …
Velocity and confinement of edge plasmons in HgTe-based two-dimensional topological insulators
High-frequency transport in the edge states of the quantum spin Hall (QSH) effect has rarely
been explored, though it could cast light on the scattering mechanisms taking place therein …
been explored, though it could cast light on the scattering mechanisms taking place therein …
Interplay of quantum spin Hall effect and spontaneous time-reversal symmetry breaking in electron-hole bilayers. II. Zero-field topological superconductivity
T Paul, VF Becerra, T Hyart - Physical Review B, 2022 - APS
It has been proposed that band-inverted electron-hole bilayers support a phase transition
from an insulating phase with spontaneously broken time-reversal symmetry to a quantum …
from an insulating phase with spontaneously broken time-reversal symmetry to a quantum …
Topological band structure in InAs/GaSb/InAs triple quantum wells
We present gate voltage and temperature dependent transport measurements of
InAs/GaSb/InAs triple quantum wells (TQWs) with a designed hybridization gap energy of 4 …
InAs/GaSb/InAs triple quantum wells (TQWs) with a designed hybridization gap energy of 4 …
Time-resolved measurement of ambipolar edge magnetoplasmon transport in InAs/InGaSb composite quantum wells
Time-resolved charge transport measurement for one-dimensional edge states is a powerful
means for investigating nonequilibrium charge dynamics and underlying interaction effects …
means for investigating nonequilibrium charge dynamics and underlying interaction effects …
Large inverted band gap in strained three-layer InAs/GaInSb quantum wells
Quantum spin Hall insulators (QSHIs) based on HgTe and three-layer InAs/GaSb quantum
wells (QWs) have comparable bulk band gaps of about 10–18 meV. The former, however …
wells (QWs) have comparable bulk band gaps of about 10–18 meV. The former, however …
[HTML][HTML] Optimization of hybridized InAsSb/InGaSb semiconductor topological materials
Generating large topologically protected surface currents using conventional III–V infrared
materials such as InAsSb/InGaSbAs quantum wells (QWs) and superlattices (SLs) has been …
materials such as InAsSb/InGaSbAs quantum wells (QWs) and superlattices (SLs) has been …