Results 71 to 80 of about 811,421 (270)

Charge transfer in time-dependent density functional theory [PDF]

open access: yesJournal of Physics: Condensed Matter, 2017
19 pages, 7 figures, review to appear in J. Phys.
openaire   +3 more sources

Initial-state dependence in time-dependent density functional theory

open access: yes, 2000
Time-dependent density functionals in principle depend on the initial state of the system, but this is ignored in functional approximations presently in use.
A. Görling   +27 more
core   +1 more source

The role of histone modifications in transcription regulation upon DNA damage

open access: yesFEBS Letters, EarlyView.
This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley   +1 more source

Nonadiabatic Exchange-Correlation Potential for Strongly Correlated Materials in the Weak and Strong Interaction Limits

open access: yesComputation, 2022
In this work, nonadiabatic exchange-correlation (XC) potentials for time-dependent density-functional theory (TDDFT) for strongly correlated materials are derived in the limits of strong and weak correlations.
Volodymyr Turkowski, Talat S. Rahman
doaj   +1 more source

Electron scattering in time-dependent density functional theory [PDF]

open access: yesThe European Physical Journal B, 2018
9 pages, 6 ...
Lacombe, Lionel   +3 more
openaire   +2 more sources

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

Density functional theory investigations of radical scavenging activity of 3′-Methyl-quercetin

open access: yesJournal of Saudi Chemical Society, 2016
The possible eight rotamers of 3′-Methyl-quercetin have been optimized by using density functional theory (DFT) at B3LYP/6-31G∗ level of theory. The molecular structure and molecular properties of the most stable rotamers have been investigated at the ...
Abdullah G. Al-Sehemi   +3 more
doaj   +1 more source

Dynamics of the linear-chain alpha cluster in microscopic time-dependent relativistic density functional theory

open access: yesPhysics Letters B, 2020
The time-dependent covariant density functional theory in 3D lattice space has been developed and applied to investigate the microscopic dynamics of the linear-chain cluster states for carbon isotopes in the reactions 4He+8Be and 4He+10Be without any ...
Z.X. Ren, P.W. Zhao, J. Meng
doaj   +1 more source

Effective Maxwell equations from time-dependent density functional theory

open access: yes, 2010
The behavior of interacting electrons in a perfect crystal under macroscopic external electric and magnetic fields is studied. Effective Maxwell equations for the macroscopic electric and magnetic fields are derived starting from time-dependent density ...
E, Weinan, Lu, Jianfeng, Yang, Xu
core   +2 more sources

Linear-scaling time-dependent density-functional theory [PDF]

open access: yes, 2003
A linear-scaling time-dependent density-functional theory is developed to evaluate the optical response of large molecular systems. The two-electron Coulomb integrals are evaluated with the fast multipole method, and the calculation of exchange ...
Chen, G, Yam, CY, Yokojima, S
core   +1 more source

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