Recent advances in the generation of well-characterized subfemtosecond laser pulses have
opened up unpredicted opportunities for the real-time observation of ultrafast electronic …

Recently two emerging areas of research, attosecond and nanoscale physics, have started
to come together. Attosecond physics deals with phenomena occurring when ultrashort laser …

Photoemission spectroscopy is central to understanding the inner workings of condensed
matter, from simple metals and semiconductors to complex materials such as Mott insulators …

Space-charge modulation of the current in a vacuum diode under photoemission leads to
the formation of beamlets with time periodicity corresponding to THz frequencies. We …

This work presents the photoemission timing of helium measured with sub-attosecond
uncertainty. The investigation reveals how electron interaction slows down photoelectrons …

Zusammenfassung Die Anregung von elektronischen Zuständen in Festkörpern durch den
Einfluss von elektromagnetischen Wellen ist ein Prozess von grundlegender Wichtigkeit …

Attosecond science recently celebrated its first decade which brought fascinating new
insights into the dynamics of electrons in atoms and simple molecules. Most of these …

This thesis reports experiments and numerical calculations aiming at the observation and
quantitative dissection of the microscopic mechanisms contributing to the temporal delays …

Attosecond nanophysics is a new research field merging ultrafast science with time scales
reaching into the attosecond domain with studies on nanoscale materials. An attosecond is …

Extending attosecond techniques to X-ray free-electron lasers Page 1 Extending attosecond
techniques to X-ray free-electron lasers Dissertation zur Erlangung des Doktorgrades an der …