Topological kondo insulators

M Dzero, J Xia, V Galitski… - Annual Review of …, 2016 - annualreviews.org
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 …

Correlated topological insulators with mixed valence

F Lu, JZ Zhao, H Weng, Z Fang, X Dai - Physical review letters, 2013 - APS
We propose the local density approximation+ Gutzwiller method incorporating a Green's
function scheme to study the topological physics of correlated materials from the first …

Heavy fermion semiconductors

PS Riseborough - Advances in Physics, 2000 - Taylor & Francis
The heavy fermion semiconductors, or Kondo insulators, are very narrow gap
semiconductors in which the properties show unusual temperature dependencies. We shall …

Quantum oscillations of electrical resistivity in an insulator

Z Xiang, Y Kasahara, T Asaba, B Lawson, C Tinsman… - Science, 2018 - science.org
In metals, orbital motions of conduction electrons on the Fermi surface are quantized in
magnetic fields, which is manifested by quantum oscillations in electrical resistivity. This …

Quantum oscillation in narrow-gap topological insulators

L Zhang, XY Song, F Wang - Physical review letters, 2016 - APS
The canonical understanding of quantum oscillation in metals is challenged by the
observation of the de Haas–van Alphen effect in an insulator, SmB 6 [Tan et al, Science 349 …

One-dimensional edge state transport in a topological Kondo insulator

Y Nakajima, P Syers, X Wang, R Wang, J Paglione - Nature Physics, 2016 - nature.com
Topological insulators, with metallic boundary states protected against time-reversal-
invariant perturbations, are a promising avenue for realizing exotic quantum states of matter …

Additional energy scale in SmB6 at low-temperature

L Jiao, S Rößler, DJ Kim, LH Tjeng, Z Fisk… - Nature …, 2016 - nature.com
Topological insulators give rise to exquisite electronic properties because of their spin-
momentum locked Dirac-cone-like band structure. Recently, it has been suggested that the …

Low-energy excitations of the correlation-gap insulator :ffA light-scattering study

P Nyhus, SL Cooper, Z Fisk, J Sarrao - Physical Review B, 1997 - APS
We present the results of Raman scattering studies of single-crystal SmB 6 for temperatures
down to 4 K and in magnetic fields up to 8 T. At temperatures below T∼ 50tK the electronic …

Metallization and magnetic order in

S Süllow, I Prasad, MC Aronson, S Bogdanovich… - Physical Review B, 2000 - APS
We present the results of field-and temperature-dependent resistivity ρ and magnetization M
measurements which show that colossal magnetoresistance in semimetallic EuB 6 is not …

Heavy fermions and the Kondo lattice: a 21st century perspective

P Coleman - arXiv preprint arXiv:1509.05769, 2015 - arxiv.org
These lecture notes give a brief introduction to heavy fermion physics, emphasizing aspects
of particular modern interest. Following an introduction to the Kondo effect and the …