Materials in which quantum mechanical effects lead to novel properties on the macroscopic
scale are of interest both fundamentally and for applications. For such quantum materials …

Coulomb drag is a transport phenomenon whereby long-range Coulomb interaction
between charge carriers in two closely spaced but electrically isolated conductors induces a …

A variety of monolayer crystals have been proposed to be two-dimensional topological
insulators exhibiting the quantum spin Hall effect (QSHE), possibly even at high …

A two-dimensional topological insulator (2DTI) is guaranteed to have a helical one-
dimensional edge mode,,,,,,,,,, in which spin is locked to momentum, producing the quantum …

We present the first experimental evidence of a topological phase transition in a
monoelemental quantum spin Hall insulator. Particularly, we show that low-buckled epitaxial …

The Luttinger liquid (LL) model of one-dimensional (1D) electronic systems provides a
powerful tool for understanding strongly correlated physics, including phenomena such as …

Abstract One-dimensional (1D) interacting electrons are often described as a Luttinger
liquid,,–having properties that are intrinsically different from those of Fermi liquids in higher …

A two-dimensional (2D) topological insulator exhibits the quantum spin Hall (QSH) effect, in
which topologically protected conducting channels exist at the sample edges. Experimental …

Edge states of a topological insulator can be used to explore fundamental science emerging
at the interface of low dimensionality and topology. Achieving a robust conductance …

Abstract In one-dimensional (1D) systems, electronic interactions lead to a breakdown of
Fermi liquid theory and the formation of a Tomonaga-Luttinger Liquid (TLL). The strength of …