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

Magnetic susceptibility measurements are often the first characterization tool that
researchers turn to when beginning to assess the magnetic nature of a newly discovered …

In the 60 years since the invention of the laser, the scientific community has developed
numerous fields of research based on these bright, coherent light sources, including the …

The understanding of how spins move and can be manipulated at pico-and femtosecond
timescales has implications for ultrafast and energy-efficient data-processing and storage …

Laser-induced terahertz spin transport (TST) and ultrafast demagnetization (UDM) are
central but so far disconnected phenomena in femtomagnetism and terahertz spintronics …

A material's magnetic state and its dynamics are of great fundamental research interest and
are also at the core of a wide plethora of modern technologies. However, reliable access to …

The vision of using light to manipulate electronic and spin excitations in materials on their
fundamental time and length scales requires new approaches in experiment and theory to …

The dynamics of momentum-dark exciton formation in transition metal dichalcogenides is
difficult to measure experimentally, as many momentum-indirect exciton states are not …

We review the phenomenology of light-induced ultrafast magnetization dynamics, with
emphasis on metallic compounds. The interaction of femtosecond laser pulses with …

Frontier orbitals determine fundamental molecular properties such as chemical reactivities.
Although electron distributions of occupied orbitals can be imaged in momentum space by …