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 …
Orbital Complexity in Intrinsic Magnetic Topological Insulators and
Using angle-resolved photoelectron spectroscopy (ARPES), we investigate the surface
electronic structure of the magnetic van der Waals compounds MnBi 4 Te 7 and MnBi 6 Te …
electronic structure of the magnetic van der Waals compounds MnBi 4 Te 7 and MnBi 6 Te …
Revealing hidden orbital pseudospin texture with time-reversal dichroism in photoelectron angular distributions
We performed angle-resolved photoemission spectroscopy (ARPES) of bulk 2H-WSe 2 for
different crystal orientations linked to each other by time-reversal symmetry. We introduce a …
different crystal orientations linked to each other by time-reversal symmetry. We introduce a …
Orbital-driven Rashba effect in a binary honeycomb monolayer AgTe
M Ünzelmann, H Bentmann, P Eck, T Kißlinger… - Physical Review Letters, 2020 - APS
The Rashba effect is fundamental to the physics of two-dimensional electron systems and
underlies a variety of spintronic phenomena. It has been proposed that the formation of …
underlies a variety of spintronic phenomena. It has been proposed that the formation of …
Momentum-space signatures of Berry flux monopoles in the Weyl semimetal TaAs
Since the early days of Dirac flux quantization, magnetic monopoles have been sought after
as a potential corollary of quantized electric charge. As opposed to magnetic monopoles …
as a potential corollary of quantized electric charge. As opposed to magnetic monopoles …
Assessing nontrivial topology in weyl semimetals by dichroic photoemission
The electronic structure of Weyl semimetals features Berry flux monopoles in the bulk and
Fermi arcs at the surface. While angle-resolved photoelectron spectroscopy (ARPES) is …
Fermi arcs at the surface. While angle-resolved photoelectron spectroscopy (ARPES) is …
Topological singularity induced chiral Kohn anomaly in a Weyl semimetal
The electron-phonon interaction (EPI) is instrumental in a wide variety of phenomena in
solid-state physics, such as electrical resistivity in metals, carrier mobility, optical transition …
solid-state physics, such as electrical resistivity in metals, carrier mobility, optical transition …
Studying local Berry curvature in 2H-WSe2 by circular dichroism photoemission utilizing crystal mirror plane
It was recently reported that circular dichroism in angle-resolved photoemission
spectroscopy (CD-ARPES) can be used to observe the Berry curvature in 2H-WSe2 (Cho et …
spectroscopy (CD-ARPES) can be used to observe the Berry curvature in 2H-WSe2 (Cho et …
Photonic spin Hall effect on the surfaces of type-I and type-II Weyl semimetals
GY Jia, ZX Huang, QY Ma, G Li - Nanophotonics, 2020 - degruyter.com
Topological optics is an emerging research area in which various topological and
geometrical ideas are being proposed to design and manipulate the behaviors of photons …
geometrical ideas are being proposed to design and manipulate the behaviors of photons …
Phonon-limited transport and Fermi arc lifetime in Weyl semimetals
Weyl semimetals harbor topological Fermi arc surface states that determine the nontrivial
charge current response to external fields. We study here the quasiparticle decay rate of …
charge current response to external fields. We study here the quasiparticle decay rate of …