Gould, Christopher R. and Sharapov, Eduard I. 2022. Fermi’s favorite figure: the history of the pseudopotential concept in atomic physics and neutron physics. The European Physical Journal H, Vol. 47, ...

X-ray free-electron lasers are powerful tools for studying matter at the atomic level, but their light pulses are often noisy ...

Studying the line spectra produced by hot gases and absorbed by cooler gases allows us to identify the elements in stars. When a gas is very hot, it doesn’t emit all wavelengths of light.

Using various telescopes, an international team of astronomers has conducted a comprehensive study of a double-lined ...

Researchers at SwissFEL have successfully demonstrated new technologies that improve the temporal coherence of XFEL pulses ...