The interaction between free electrons and optical fields constitutes a unique platform to
investigate ultrafast processes in matter and explore fundamental quantum phenomena …

Advances in attosecond spectroscopy have enabled tracing and controlling the electron
motion dynamics in matter, although they have yielded insufficient information about the …

Recent theoretical and experimental breakthroughs have given rise to the emerging field of
free-electron quantum optics, resha** the understanding of free-electron physics …

The complex range of interactions between electrons and electromagnetic fields gave rise to
countless scientific and technological advances. A prime example is photon-induced …

The generation of ultrashort electron wavepackets is crucial for the development of ultrafast
electron microscopes. Recent studies on Coulomb-correlated few-electron number states …

Free electron beams and their quantum coupling with photons are attracting a rising interest
due to the basic questions they address and the innovative technology these particles are …

In this work we propose a method for probing the chirality of nanoscale electromagnetic near
fields utilizing the properties of a coherent superposition of free-electron vortex states in …

Optical standing waves are intrinsically nanometric, spatially fixed interference-field patterns.
At a commensurate scale, metallic nanotips serve as coherent, atomic-sized electron …

Recent advances in electron microscopy trigger the question of whether attosecond electron
diffraction can resolve atomic-scale electron dynamics in crystalline materials in space and …

Light is a preeminent spectroscopic tool for investigating the electronic structure of surfaces.
Time-resolved photoelectron spectroscopy has mainly been developed in the last 30 years …