Applications of large-scale density functional theory in biology

DJ Cole, NDM Hine - Journal of Physics: Condensed Matter, 2016 - iopscience.iop.org
Density functional theory (DFT) has become a routine tool for the computation of electronic
structure in the physics, materials and chemistry fields. Yet the application of traditional DFT …

Numerical methods for the inverse problem of density functional theory

DS Jensen, A Wasserman - International Journal of Quantum …, 2018 - Wiley Online Library
The inverse problem of Kohn–Sham density functional theory (DFT) is often solved in an
effort to benchmark and design approximate exchange‐correlation potentials. The forward …

Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems

X Andrade, D Strubbe, U De Giovannini… - Physical Chemistry …, 2015 - pubs.rsc.org
Real-space grids are a powerful alternative for the simulation of electronic systems. One of
the main advantages of the approach is the flexibility and simplicity of working directly in real …

Parallelizable algorithms for optimization problems with orthogonality constraints

B Gao, X Liu, Y Yuan - SIAM Journal on Scientific Computing, 2019 - SIAM
To construct a parallel approach for solving optimization problems with orthogonality
constraints is usually regarded as an extremely difficult mission, due to the low scalability of …

Massively parallel first-principles simulation of electron dynamics in materials

EW Draeger, X Andrade, JA Gunnels, A Bhatele… - Journal of Parallel and …, 2017 - Elsevier
We present a highly scalable, parallel implementation of first-principles electron dynamics
coupled with molecular dynamics (MD). By using optimized kernels, network topology aware …

Interpolative separable density fitting decomposition for accelerating Hartree–Fock exchange calculations within numerical atomic orbitals

X Qin, J Liu, W Hu, J Yang - The Journal of Physical Chemistry A, 2020 - ACS Publications
The high cost associated with the evaluation of Hartree–Fock exchange (HFX) makes hybrid
functionals computationally challenging for large systems. In this work, we present an …

[HTML][HTML] The CECAM electronic structure library and the modular software development paradigm

MJT Oliveira, N Papior, Y Pouillon, V Blum… - The Journal of …, 2020 - pubs.aip.org
First-principles electronic structure calculations are now accessible to a very large
community of users across many disciplines, thanks to many successful software packages …

Insights into colour-tuning of chlorophyll optical response in green plants

J Jornet-Somoza, J Alberdi-Rodriguez… - Physical Chemistry …, 2015 - pubs.rsc.org
First-principles calculations within the framework of real-space time-dependent density
functional theory have been performed for the complete chlorophyll (Chl) network of the light …

Quantum dynamics simulation of electrons in materials on high-performance computers

A Schleife, EW Draeger, VM Anisimov… - … in Science & …, 2014 - ieeexplore.ieee.org
Advancement in high-performance computing allows us to calculate properties of
increasingly complex materials with unprecedented accuracy. At the same time, to take full …

Poisfft–a free parallel fast poisson solver

V Fuka - Applied Mathematics and Computation, 2015 - Elsevier
A fast Poisson solver software package PoisFFT is presented. It is available as a free
software licensed under the GNU GPL license version 3. The package uses the fast Fourier …