Machine learning for electronically excited states of molecules

J Westermayr, P Marquetand - Chemical Reviews, 2020 - ACS Publications
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 …

[HTML][HTML] Deep learning for UV absorption spectra with SchNarc: First steps toward transferability in chemical compound space

J Westermayr, P Marquetand - The Journal of Chemical Physics, 2020 - pubs.aip.org
Machine learning (ML) has shown to advance the research field of quantum chemistry in
almost any possible direction and has also recently been applied to investigate the …

Spectroscopic and structural probing of excited-state molecular dynamics with time-resolved photoelectron spectroscopy and ultrafast electron diffraction

Y Liu, SL Horton, J Yang, JPF Nunes, X Shen, TJA Wolf… - Physical Review X, 2020 - APS
Pump-probe measurements aim to capture the motion of electrons and nuclei on their
natural timescales (femtoseconds to attoseconds) as chemical and physical transformations …

Observation of ionization enhancement in two-color circularly polarized laser fields

CA Mancuso, KM Dorney, DD Hickstein, JL Chaloupka… - Physical review A, 2017 - APS
When atoms are irradiated by two-color circularly polarized laser fields the resulting strong-
field processes are dramatically different than when the same atoms are irradiated by a …

Revealing deactivation pathways hidden in time-resolved photoelectron spectra

M Ruckenbauer, S Mai, P Marquetand, L González - Scientific reports, 2016 - nature.com
Time-resolved photoelectron spectroscopy is commonly employed with the intention to
monitor electronic excited-state dynamics occurring in a neutral molecule. With the help of …

[HTML][HTML] Excited state dynamics of CH2I2 and CH2BrI studied with UV pump VUV probe photoelectron spectroscopy

SL Horton, Y Liu, R Forbes, V Makhija… - The Journal of …, 2019 - pubs.aip.org
We compare the excited state dynamics of diiodomethane (CH 2 I 2) and
bromoiodomethane (CH 2 BrI) using time resolved photoelectron spectroscopy. A 4.65 eV …

Acousto-optic modulator pulse-shaper compression of octave-spanning pulses from a stretched hollow-core fiber

A Catanese, B Kaufman, C Cheng, E Jones… - OSA …, 2021 - opg.optica.org
We demonstrate spectral broadening and compression of amplified pulses from a titanium
sapphire laser system using an argon-filled stretched, hollow-core fiber and an acousto …

Strong field molecular ionization in the impulsive limit: Freezing vibrations with short pulses

P Sándor, V Tagliamonti, A Zhao, T Rozgonyi… - Physical review …, 2016 - APS
We study strong-field molecular ionization as a function of pulse duration. Experimental
measurements of the photoelectron yield for a number of molecules reveal competition …

Coherent control of internal conversion in strong-field molecular ionization

B Kaufman, T Rozgonyi, P Marquetand, T Weinacht - Physical Review Letters, 2020 - APS
We demonstrate coherent control over internal conversion during strong-field molecular
ionization with shaped, few-cycle laser pulses. The control is driven by interference in …

Challenges in simulating light-induced processes in DNA

P Marquetand, JJ Nogueira, S Mai, F Plasser… - Molecules, 2016 - mdpi.com
In this contribution, we give a perspective on the main challenges in performing theoretical
simulations of photoinduced phenomena within DNA and its molecular building blocks. We …