Visualizing electronic structures of quantum materials by angle-resolved photoemission spectroscopy
Electronic structures are critical characteristics that determine the electrical, magnetic and
optical properties of materials. With the capability of directly visualizing band dispersions …
optical properties of materials. With the capability of directly visualizing band dispersions …
Uncovering spin-orbit coupling-independent hidden spin polarization of energy bands in antiferromagnets
Many textbook physical effects in crystals are enabled by some specific symmetries. In
contrast to such 'apparent effects','hidden effect X'refers to the general condition where the …
contrast to such 'apparent effects','hidden effect X'refers to the general condition where the …
Roadmap on finding chiral valleys: screening 2D materials for valleytronics
In this review, we present an update on the methods for screening 2D materials suitable for
valleytronic applications. We begin with an introduction to the field highlighting some of the …
valleytronic applications. We begin with an introduction to the field highlighting some of the …
Measurements of the quantum geometric tensor in solids
Understanding the geometric properties of quantum states and their implications in
fundamental physical phenomena is a core aspect of contemporary physics. The quantum …
fundamental physical phenomena is a core aspect of contemporary physics. The quantum …
Layer Hall effect induced by hidden Berry curvature in antiferromagnetic insulators
The layer Hall effect describes electrons spontaneously deflected to opposite sides at
different layers, which has been experimentally reported in the MnBi2Te4 thinfilms under …
different layers, which has been experimentally reported in the MnBi2Te4 thinfilms under …
Local Berry curvature signatures in dichroic angle-resolved photoelectron spectroscopy from two-dimensional materials
Topologically nontrivial two-dimensional materials hold great promise for next-generation
optoelectronic applications. However, measuring the Hall or spin-Hall response is often a …
optoelectronic applications. However, measuring the Hall or spin-Hall response is often a …
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 …
Role of hidden spin polarization in nonreciprocal transport of antiferromagnets
The discovery of hidden spin polarization (HSP) in centrosymmetric nonmagnetic crystals,
ie, spatially distributed spin polarization originated from local symmetry breaking, has …
ie, spatially distributed spin polarization originated from local symmetry breaking, has …
How circular dichroism in time-and angle-resolved photoemission can be used to spectroscopically detect transient topological states in graphene
Pumping graphene with circularly polarized light is the archetype of light-tailoring
topological bands. Realizing the induced Floquet-Chern-insulator state and demonstrating …
topological bands. Realizing the induced Floquet-Chern-insulator state and demonstrating …
Evidence of finite-momentum pairing in a centrosymmetric bilayer
A phase characterized by a spatially modulated order parameter is counter-intuitive because
of the entropy penalty that the modulations incur. Its possible existence in superconductors …
of the entropy penalty that the modulations incur. Its possible existence in superconductors …