Reinvented: An Attosecond Chemist

SR Leone - Annual Review of Physical Chemistry, 2023 - annualreviews.org
Attosecond science requires a substantial rethinking of how to make measurements on very
short timescales; how to acquire the necessary equipment, technology, and personnel; and …

Dynamic Jahn-Teller effect in the strong spin-orbit coupling regime

I Živković, JR Soh, O Malanyuk, R Yadav… - Nature …, 2024 - nature.com
Exotic quantum phases, arising from a complex interplay of charge, spin, lattice and orbital
degrees of freedom, are of immense interest to a wide research community. A well-known …

Attosecond core-level absorption spectroscopy reveals the electronic and nuclear dynamics of molecular ring opening

S Severino, KM Ziems, M Reduzzi, A Summers… - Nature …, 2024 - nature.com
We show that attosecond core-level spectroscopy is a powerful tool for investigating
molecular dynamics due to its combined attosecond temporal resolution and the broad …

Spin Coupling Effect on Geometry-Dependent X-Ray Absorption of Diradicals

SM Garner, EA Haugen, SR Leone… - Journal of the …, 2024 - ACS Publications
We theoretically investigate the influence of diradical electron spin coupling on the time-
resolved X-ray absorption spectra of the photochemical ring opening of furanone. We predict …

Few-femtosecond electron transfer dynamics in photoionized donor–π–acceptor molecules

F Vismarra, F Fernández-Villoria, D Mocci… - Nature Chemistry, 2024 - nature.com
The exposure of molecules to attosecond extreme-ultraviolet (XUV) pulses offers a unique
opportunity to study the early stages of coupled electron–nuclear dynamics in which the role …

Generalization of One-Center Nonorthogonal Configuration Interaction Singles to Open-Shell Singlet Reference States: Theory and Application to Valence-Core …

JE Arias-Martinez, H Wu… - Journal of Chemical …, 2024 - ACS Publications
We formulate a one-center nonorthogonal configuration interaction singles (1C-NOCIS)
theory for the computation of core excited states of an initial singlet state with two unpaired …

Ab initio investigation of the Auger spectra of methane, ethane, ethylene, and acetylene

F Matz, J Nijssen, TC Jagau - The Journal of Physical Chemistry A, 2023 - ACS Publications
We present an ab initio computational study of the Auger spectra of methane, ethane,
ethylene, and acetylene. Auger spectroscopy is an established technique to probe the …

Prediction of photodynamics of 200 nm excited cyclobutanone with linear response electronic structure and ab initio multiple spawning

D Hait, D Lahana, OJ Fajen, ASP Paz… - The Journal of …, 2024 - pubs.aip.org
Simulations of photochemical reaction dynamics have been a challenge to the theoretical
chemistry community for some time. In an effort to determine the predictive character of …

Measurement of coherent vibrational dynamics with X-ray Transient Absorption Spectroscopy simultaneously at the Carbon K- and Chlorine L2,3- edges

AD Ross, D Hait, V Scutelnic, DM Neumark… - Communications …, 2024 - nature.com
Abstract X-ray Transient Absorption Spectroscopy (XTAS) is a powerful probe for ultrafast
molecular dynamics. The evolution of XTAS signal is controlled by the shapes of potential …

[HTML][HTML] Attosecond absorption and reflection spectroscopy of solids

N Di Palo, G Inzani, GL Dolso, M Talarico, S Bonetti… - APL Photonics, 2024 - pubs.aip.org
Since their introduction, all-optical spectroscopy techniques based on attosecond radiation
have gained the attention of the scientific community because of their energy and time …