Quantum mechanical studies on the photophysics and the photochemistry of nucleic acids and nucleobases

R Improta, F Santoro, L Blancafort - Chemical reviews, 2016 - ACS Publications
The photophysics and photochemistry of DNA is of great importance due to the potential
damage of the genetic code by UV light. Quantum mechanical studies have played a key …

Understanding the surface hopping view of electronic transitions and decoherence

JE Subotnik, A Jain, B Landry, A Petit… - Annual review of …, 2016 - annualreviews.org
We present a current, up-to-date review of the surface hopping methodology for solving
nonadiabatic problems, 25 years after Tully published the fewest switches surface hopping …

Femtosecond stimulated Raman spectroscopy

DR Dietze, RA Mathies - ChemPhysChem, 2016 - Wiley Online Library
Femtosecond stimulated Raman spectroscopy (FSRS) is an ultrafast nonlinear optical
technique that provides vibrational structural information with high temporal (sub‐50 fs) …

Catching conical intersections in the act: Monitoring transient electronic coherences by attosecond stimulated X-ray Raman signals

M Kowalewski, K Bennett, KE Dorfman, S Mukamel - Physical review letters, 2015 - APS
Conical intersections (CIs) dominate the pathways and outcomes of virtually all
photophysical and photochemical molecular processes. Despite extensive experimental and …

Simulating coherent multidimensional spectroscopy of nonadiabatic molecular processes: From the infrared to the x-ray regime

M Kowalewski, BP Fingerhut, KE Dorfman… - Chemical …, 2017 - ACS Publications
Crossings of electronic potential energy surfaces in nuclear configuration space, known as
conical intersections, determine the rates and outcomes of a large class of photochemical …

Ultrafast spectroscopy of photoactive molecular systems from first principles: Where we stand today and where we are going

I Conti, G Cerullo, A Nenov… - Journal of the American …, 2020 - ACS Publications
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 …

Global flux surface hopping approach for mixed quantum-classical dynamics

L Wang, D Trivedi, OV Prezhdo - Journal of chemical theory and …, 2014 - ACS Publications
A novel global flux surface hopping (GFSH) approach is proposed. In this method, the
surface hopping probabilities rely on the gross population flow between states, rather than …

Ultrafast intersystem crossing dynamics in uracil unravelled by ab initio molecular dynamics

M Richter, S Mai, P Marquetand… - Physical Chemistry …, 2014 - pubs.rsc.org
Ab initio molecular dynamics simulations have been performed in order to investigate the
relaxation dynamics of uracil after UV excitation in gas phase. Intersystem crossing (ISC) …

Internal conversion and intersystem crossing pathways in UV excited, isolated uracils and their implications in prebiotic chemistry

H Yu, JA Sanchez-Rodriguez, M Pollum… - Physical Chemistry …, 2016 - pubs.rsc.org
The photodynamic properties of molecules determine their ability to survive in harsh
radiation environments. As such, the photostability of heterocyclic aromatic compounds to …

Simulation of UV absorption spectra and relaxation dynamics of uracil and uracil–water clusters

B Milovanović, J Novak, M Etinski, W Domcke… - Physical Chemistry …, 2021 - pubs.rsc.org
Despite many studies, the mechanisms of nonradiative relaxation of uracil in the gas phase
and in aqueous solution are still not fully resolved. Here we combine theoretical UV …