Real-time time-dependent electronic structure theory

X Li, N Govind, C Isborn, AE DePrince III… - Chemical …, 2020 - ACS Publications
Real-time electronic structure methods provide an unprecedented view of electron dynamics
and ultrafast spectroscopy on the atto-and femtosecond time scale with vast potential to yield …

Real‐time time‐dependent electronic structure theory

JJ Goings, PJ Lestrange, X Li - Wiley Interdisciplinary Reviews …, 2018 - Wiley Online Library
Real‐time time‐dependent electronic structure theory is one of the most promising methods
for investigating time‐dependent molecular responses and electronic dynamics. Since its …

The Chronus quantum software package

DB Williams‐Young, A Petrone, S Sun… - Wiley …, 2020 - Wiley Online Library
Abstract The Chronus Quantum (ChronusQ) software package is an open source (under the
GNU General Public License v2) software infrastructure which targets the solution of …

Propagators for the time-dependent Kohn–Sham equations: Multistep, Runge–Kutta, exponential Runge–Kutta, and commutator free Magnus methods

A Gomez Pueyo, MAL Marques, A Rubio… - Journal of chemical …, 2018 - ACS Publications
We examine various integration schemes for the time-dependent Kohn–Sham equations.
Contrary to the time-dependent Schrödinger's equation, this set of equations is nonlinear …

Time-dependent density functional theory for x-ray absorption spectra: Comparing the real-time approach to linear response

JM Herbert, Y Zhu, B Alam, AK Ojha - Journal of Chemical Theory …, 2023 - ACS Publications
We simulate X-ray absorption spectra at elemental K-edges using time-dependent density
functional theory (TDDFT) in both its conventional linear-response implementation and its …

Density-functional theory for electronic excited states

JM Herbert - Theoretical and computational photochemistry, 2023 - Elsevier
This chapter provides a basic introduction to excited-state extensions of density functional
theory (DFT), including time-dependent (TD-) DFT in both its linear-response and its …

A multi-GPU implementation of Real-Time Time-Dependent Auxiliary Density Functional Theory for the investigation of nanosystems irradiations

PA Martínez, T Vock, LR Kharchi… - Computer Physics …, 2024 - Elsevier
We report a new Multi-GPU (Graphical Processor Unit) implementation of real-time time-
dependent Auxiliary Density Functional Theory (DFT) for simulations of attosecond …

Simulating electron dynamics in polarizable environments

X Wu, JM Teuler, F Cailliez, C Clavaguéra… - Journal of Chemical …, 2017 - ACS Publications
We propose a methodology for simulating attosecond electron dynamics in large molecular
systems. Our approach is based on the combination of real time time-dependent-density …

Real‐time time‐dependent density functional theory using density fitting and the continuous fast multipole method

C Müller, M Sharma, M Sierka - Journal of Computational …, 2020 - Wiley Online Library
An implementation of real‐time time‐dependent density functional theory (RT‐TDDFT)
within the TURBOMOLE program package is reported using Gaussian‐type orbitals as basis …

Efficient calculation of (resonance) Raman spectra and excitation profiles with real-time propagation

J Mattiat, S Luber - The Journal of chemical physics, 2018 - pubs.aip.org
We investigate approaches for the calculation of (resonance) Raman spectra in a real-time
time-dependent density functional theory (RT-TDDFT) framework. Several short time …