Experimental perspective on three-dimensional topological semimetals
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …
structures, which are expected to give rise to gapless electronic excitations and topological …
Angle-resolved photoemission studies of quantum materials
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …
concepts such as symmetry and topology that have transformed our understanding of matter …
Colloquium: Topological band theory
The first-principles band theory paradigm has been a key player not only in the process of
discovering new classes of topologically interesting materials, but also for identifying salient …
discovering new classes of topologically interesting materials, but also for identifying salient …
Surface electronic structure of the topological Kondo-insulator candidate correlated electron system SmB6
Abstract The Kondo insulator SmB6 has long been known to exhibit low-temperature
transport anomalies whose origin is of great interest. Here we uniquely access the surface …
transport anomalies whose origin is of great interest. Here we uniquely access the surface …
Topological kondo insulators
This article reviews recent theoretical and experimental work on a new class of topological
material—topological Kondo insulators, which develop through the interplay of strong …
material—topological Kondo insulators, which develop through the interplay of strong …
Two-dimensional Fermi surfaces in Kondo insulator SmB6
In the Kondo insulator samarium hexaboride (SmB6), strong correlation and band
hybridization lead to an insulating gap and a diverging resistance at low temperature. The …
hybridization lead to an insulating gap and a diverging resistance at low temperature. The …
Low-temperature surface conduction in the Kondo insulator SmB
We study the transport properties of the Kondo insulator SmB 6 with a specialized
configuration designed to distinguish bulk-dominated conduction from surface-dominated …
configuration designed to distinguish bulk-dominated conduction from surface-dominated …
Surface Hall Effect and Nonlocal Transport in SmB6: Evidence for Surface Conduction
A topological insulator (TI) is an unusual quantum state in which the insulating bulk is
topologically distinct from vacuum, resulting in a unique metallic surface that is robust …
topologically distinct from vacuum, resulting in a unique metallic surface that is robust …
Observation of possible topological in-gap surface states in the Kondo insulator SmB6 by photoemission
SmB6, a well-known Kondo insulator, exhibits a transport anomaly at low temperature. This
anomaly is usually attributed to states within the hybridization gap. Recent theoretical work …
anomaly is usually attributed to states within the hybridization gap. Recent theoretical work …
Direct observation of the spin texture in SmB6 as evidence of the topological Kondo insulator
Topological Kondo insulators have been proposed as a new class of topological insulators
in which non-trivial surface states reside in the bulk Kondo band gap at low temperature due …
in which non-trivial surface states reside in the bulk Kondo band gap at low temperature due …