Electronically excited states of molecules are at the heart of photochemistry, photophysics,
as well as photobiology and also play a role in material science. Their theoretical description …

Femtosecond nonlinear spectroscopy is the main tool for the time-resolved detection of
photophysical and photochemical processes. Since most systems of chemical interest are …

Selective vibrational energy transfer between molecules in the liquid phase, a difficult
process hampered by weak intermolecular forces, is achieved through polaritons formed by …

Over the last few decades, conical intersections (CoIns) have grown from theoretical
curiosities into common mechanistic features of photochemical reactions, whose function is …

An overview of both experimental and theoretical results in the field of resonant scattering of
tunable soft and hard x-ray radiation is presented, with a main focus on the closely related …

Nonadiabatic dynamics around an avoided crossing or a conical intersection play a crucial
role in the photoinduced processes of most polyatomic molecules. The present work shows …

Despite tremendous progress in x-ray free-electron laser (FEL) science over the last decade,
future applications still demand fully coherent, stable x rays that have not been …

Ongoing developments in ultrafast x-ray sources offer powerful new means of probing the
complex nonadiabatically coupled structural and electronic dynamics of photoexcited …

Dynamical electronic-and vibrational-structure theories have received a growing interest in
the past few years due to their ability to simulate spectra recorded with ultrafast experimental …

Computational spectroscopy is becoming a mandatory tool for the interpretation of the
complex, and often congested, spectral maps delivered by modern non-linear multi-pulse …