Transient absorption spectroscopy using high harmonic generation: a review of ultrafast X-ray dynamics in molecules and solids

R Geneaux, HJB Marroux… - … of the Royal …, 2019 - royalsocietypublishing.org
Attosecond science opened the door to observing nuclear and electronic dynamics in real
time and has begun to expand beyond its traditional grounds. Among several spectroscopic …

Experimental implementations of two-dimensional Fourier transform electronic spectroscopy

FD Fuller, JP Ogilvie - Annual review of physical chemistry, 2015 - annualreviews.org
Two-dimensional electronic spectroscopy (2DES) reveals connections between an optical
excitation at a given frequency and the signals it creates over a wide range of frequencies …

Nature does not rely on long-lived electronic quantum coherence for photosynthetic energy transfer

HG Duan, VI Prokhorenko, RJ Cogdell… - Proceedings of the …, 2017 - National Acad Sciences
During the first steps of photosynthesis, the energy of im**ing solar photons is transformed
into electronic excitation energy of the light-harvesting biomolecular complexes. The …

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 …

Intermolecular vibrations mediate ultrafast singlet fission

HG Duan, A Jha, X Li, V Tiwari, H Ye, PK Nayak… - Science …, 2020 - science.org
Singlet fission is a spin-allowed exciton multiplication process in organic semiconductors
that converts one spin-singlet exciton to two triplet excitons. It offers the potential to enhance …

New insights into the photophysics of DNA nucleobases

VI Prokhorenko, A Picchiotti, M Pola… - The journal of …, 2016 - ACS Publications
We report the results of an extended time-resolved study of DNA nucleobases in aqueous
solutions conducted in the deep UV using broad-band femtosecond transient absorption …

[HTML][HTML] Two-dimensional vibrational-electronic spectroscopy

TL Courtney, ZW Fox, KM Slenkamp… - The Journal of chemical …, 2015 - pubs.aip.org
Two-dimensional vibrational-electronic (2D VE) spectroscopy is a femtosecond Fourier
transform (FT) third-order nonlinear technique that creates a link between existing 2D FT …

Photoinduced vibrations drive ultrafast structural distortion in lead halide perovskite

HG Duan, V Tiwari, A Jha, GR Berdiyorov… - Journal of the …, 2020 - ACS Publications
The success of organic–inorganic perovskites in optoelectronics is dictated by the complex
interplay between various underlying microscopic phenomena. The structural dynamics of …

Quantum mechanical wave packet dynamics at a conical intersection with strong vibrational dissipation

HG Duan, M Thorwart - The journal of physical chemistry letters, 2016 - ACS Publications
We derive a reduced model for the nonadiabatic quantum dynamics of an electronic wave
packet moving through a conical intersection in the presence of strong vibrational dam** …

Towards accurate simulation of two-dimensional electronic spectroscopy

J Segarra-Martí, S Mukamel, M Garavelli… - Multidimensional time …, 2019 - Springer
We introduce the basic concepts of two-dimensional electronic spectroscopy (2DES) and a
general theoretical framework adopted to calculate, from first principles, the nonlinear …