Weyl and Dirac semimetals in three-dimensional solids

NP Armitage, EJ Mele, A Vishwanath - Reviews of Modern Physics, 2018 - APS
Weyl and Dirac semimetals are three-dimensional phases of matter with gapless electronic
excitations that are protected by topology and symmetry. As three-dimensional analogs of …

Correlated quantum phenomena in the strong spin-orbit regime

W Witczak-Krempa, G Chen, YB Kim… - Annu. Rev. Condens …, 2014 - annualreviews.org
We discuss phenomena arising from the combined influence of electron correlation and spin-
orbit coupling (SOC), with an emphasis on emergent quantum phases and transitions in …

Optical evidence for a Weyl semimetal state in pyrochlore

AB Sushkov, JB Hofmann, GS Jenkins, J Ishikawa… - Physical Review B, 2015 - APS
A Weyl semimetallic state with pairs of nondegenerate Dirac cones in three dimensions was
recently predicted to occur in the antiferromagnetic state of the pyrochlore iridates. Here, we …

Field-induced quantum metal–insulator transition in the pyrochlore iridate Nd2Ir2O7

Z Tian, Y Kohama, T Tomita, H Ishizuka, TH Hsieh… - Nature Physics, 2016 - nature.com
The metal–insulator transition (MIT) is a hallmark of strong correlation in solids,,. Quantum
MITs at zero temperature have been observed in various systems tuned by either carrier …

Determination of long-range all-in-all-out ordering of Ir moments in a pyrochlore iridate EuIrO by resonant x-ray diffraction

H Sagayama, D Uematsu, T Arima, K Sugimoto… - Physical Review B …, 2013 - APS
The pyrochlore-type iridium oxide Eu 2 Ir 2 O 7 exhibits a metal-insulator transition at 120 K,
accompanied by magnetic ordering. We used x-ray diffraction measurements with photon …

Magneto-optical conductivity of Weyl semimetals

PEC Ashby, JP Carbotte - Physical Review B—Condensed Matter and …, 2013 - APS
Weyl semimetals are a topological phase of matter that have drawn recent interest and have
been suggested as a possible phase of the pyrochlore iridates, among other materials. Here …

Slater to Mott Crossover in the Metal to Insulator Transition of

M Nakayama, T Kondo, Z Tian, JJ Ishikawa, M Halim… - Physical review …, 2016 - APS
We present an angle-resolved photoemission study of the electronic structure of the three-
dimensional pyrochlore iridate Nd 2 Ir 2 O 7 through its magnetic metal-insulator transition …

Magnetic order in the pyrochlore iridates IrO ( = Y, Yb)

SM Disseler, C Dhital, A Amato, SR Giblin… - Physical Review B …, 2012 - APS
We present results from muon spin relaxation/rotation, magnetization, neutron scattering,
and transport measurements on polycrystalline samples of the pyrochlore iridates Y 2 Ir 2 O …

Magnetic Weyl Semimetallic Phase in Thin Films of

X Liu, S Fang, Y Fu, W Ge, M Kareev, JW Kim, Y Choi… - Physical review …, 2021 - APS
The interplay between electronic interactions and strong spin-orbit coupling is expected to
create a plethora of fascinating correlated topological states of quantum matter. Of particular …

Enhanced weak ferromagnetism and conductivity in hole-doped pyrochlore iridate

WK Zhu, M Wang, B Seradjeh, F Yang, SX Zhang - Physical Review B, 2014 - APS
Pyrochlore iridates have recently attracted growing interest in condensed matter physics
because of their potential for realizing new topological states. In order to achieve such …