The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

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 …

Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

A wide range of materials, like d-wave superconductors, graphene, and topological
insulators, share a fundamental similarity: their low-energy fermionic excitations behave as …

Methods to generate spin-polarized electronic states in non-magnetic solids are strongly
desired to enable all-electrical manipulation of electron spins for new quantum devices. This …

Angle resolved photoemission spectroscopy (ARPES) is commonly known as a powerful
probe of the one-electron removal spectral function in ordered solid state. With increasing …

Modification of the gap at the Dirac point (DP) in axion antiferromagnetic topological
insulator MnBi 2 Te 4 and its electronic and spin structure have been studied by angle-and …

Cuprate superconductors have long been thought of as having strong electronic correlations
but negligible spin-orbit coupling. Using spin-and angle-resolved photoemission …

Strong spin–orbit coupling, resulting in the formation of spin‐momentum‐locked surface
states, endows topological insulators with superior spin‐to‐charge conversion …

In the last decade, there has been a proliferation of laser sources for time-and angle-
resolved photoemission spectroscopy (TR-ARPES), building on the proven capability of this …