Free electrons are essential in such diverse applications as electron microscopes,
accelerators and photoemission spectroscopy. However, the space charge effects of many …

Although defocus can be used to generate partial phase contrast in transmission electron
microscope images, cryo-electron microscopy (cryo-EM) can be further improved by the …

A central challenge in the emerging field of free-electron quantum optics is to achieve strong
quantum interaction and single-photon nonlinearity between a flying free electron and a …

Ultrafast electron microscopy provides a movie-like access to structural dynamics of
materials in space and time, but fundamental atomic motions or electron dynamics are, so …

The displacement of a single electron enables exciting avenues for nanotechnology with
vast application potential in quantum metrology, quantum communication and quantum …

Time-resolved electron microscopy aims to track nanoscale excitations and dynamic states
of matter at a temporal resolution ultimately reaching the attosecond regime. Periodically …

We show that the coherent interaction between free electrons and photons can be used for
universal control of continuous-variable photonic quantum states in the form of Gottesman …

Electron sources are crucial elements in diverse applications such as electron microscopes,
synchrotrons, and free-electron lasers. Nanometer-sharp needle tips are electron emitters …

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

Strongly correlated electron systems are a cornerstone of modern physics, being
responsible for groundbreaking phenomena from superconducting magnets to quantum …