The electrical properties of these substances result from their topological structure. The almost lossless flow ... Left: Surface state dispersion inside bulk band gap of a topological insulator.

An insulator has a band structure in which occupied and empty ... who showed that the quantized Hall conductivity defines an integer topological invariant. This invariant is insensitive to small ...

This is just one reason why topological insulators are one of ... by the charge carriers in a solid material leads to a band structure that describes the relationship between the energy and ...

More information: Junya Feng et al, Long-range crossed Andreev reflection in a topological insulator nanowire proximitized by ...