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 …

We consider a Josephson junction hosting a Kramers pair of helical edge states of a
quantum spin Hall bar in contact with a normal-metal probe. In this hybrid system, the orbital …

Helical liquids, formed by time-reversal pairs of interacting electrons in topological edge
channels, provide a platform for stabilizing topological superconductivity upon introducing …

We theoretically propose an X ene (X= Si, Ge, or Sn) transistor that can be operated with
high and low threshold light parameters. The results reveal that a spin-dependent …

Topological insulators are promising candidates for dissipationless electronics and
spintronics. For the design and application of small-sized topological transistors, it is vital to …

An intriguing feature of two-dimensional topological insulators is the topologically protected
electronic edge state, which allows one-way carrier transport without backscattering …

We discuss the phase-dependent nonlocal thermoelectric effect in a topological Josephson
junction in contact with a normal-metal probe. We show that, due to the helical nature of …

The outstanding transport properties expected at the edge of two-dimensional time-reversal
invariant topological insulators have proven to be challenging to realize experimentally, and …

Gapless helical edge modes are a hallmark of the quantum spin Hall effect. Protected by
time-reversal symmetry, each edge contributes a quantized zero-temperature conductance …

One of the proposed ground states of monolayer WTe 2, a two-dimensional topological
insulator, is an excitonic condensate. However, time-reversal preserving and breaking …