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

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 …

Magnetic topological insulators are narrow-gap semiconductor materials that combine non-
trivial band topology and magnetic order. Unlike their nonmagnetic counterparts, magnetic …

The exciton, a bound state of an electron and a hole, is a fundamental quasiparticle induced
by coherent light–matter interactions in semiconductors. When the electrons and holes are …

We report on structural and electronic properties of superconducting nanohybrids made of
Pb grown in the ultrahigh vacuum on the atomically clean surface of single crystals of …

We study the microscopic origins of photocurrent generation in the topological insulator Bi 2
Se 3 via time-and angle-resolved photoemission spectroscopy. We image the unoccupied …

Heterostructures composed of the intrinsic magnetic topological insulator MnBi2Te4 and its
nonmagnetic counterpart Bi2Te3 host distinct surface electronic band structures depending …

Ultrafast charge and spin dynamics have immense effects on the applications of topological
insulators (TIs). By performing spin-adiabatic nonadiabatic molecular dynamics simulations …

Various apparative developments extended the potential of angle-resolved photoemission
spectroscopy tremendously during the last two decades. Modern experimental …

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