Non-Abelian braiding of Weyl nodes via symmetry-constrained phase transitions

S Chen, A Bouhon, RJ Slager, B Monserrat - Physical Review B, 2022 - APS
Weyl semimetals are arguably the most paradigmatic form of a gapless topological phase.
While the stability of Weyl nodes, as quantified by their topological charge, has been …

Successive phase transitions of the spin–orbit-coupled metal Cd2Re2O7 probed by high-resolution synchrotron x-ray diffraction

D Hirai, A Fukui, H Sagayama… - Journal of Physics …, 2022 - iopscience.iop.org
The 5d pyrochlore oxide superconductor Cd 2 Re 2 O 7 (CRO) has attracted significant
interest as a spin–orbit-coupled metal (SOCM) that spontaneously undergoes a phase …

Odd-parity multipole order in the spin-orbit coupled metallic pyrochlore

Y Nakayama, D Hirai, H Sagayama, K Kojima… - Physical Review …, 2024 - APS
The pyrochlore oxide P b 2 R e 2 O 7− δ (PRO) is a candidate spin-orbit coupled metal
(SOCM) that exhibits a structural phase transition with inversion symmetry breaking. In this …

Quadrupole Fluctuation Effect on Magnetic Torque for Hourglass Dirac Loop Chain Metal β-ReO2

S Uji, T Terashima, D Hirai, T Anbai… - Journal of the Physical …, 2022 - journals.jps.jp
Magnetic torque measurements have been performed to investigate the electronic state of
the metallic β-phase ReO2 with Dirac nodal lines forming a loop chain. The sinusoidal …