Results 11 to 20 of about 6,717,903 (305)

Understanding and Reducing Errors in Density Functional Calculations [PDF]

open access: yesPhysical Review Letters, 2013
We decompose the energy error of any variational DFT calculation into a contribution due to the approximate functional and that due to the approximate density. Typically, the functional error dominates, but in many interesting situations, the density-driven error dominates. Examples range from calculations of electron affinities to preferred geometries
Kim, Min-Cheol   +2 more
openaire   +7 more sources

A deep equivariant neural network approach for efficient hybrid density functional calculations [PDF]

open access: yesNature Communications
Hybrid density functional calculations are essential for accurate description of electronic structure, yet their widespread use is restricted by the substantial computational cost.
Zechen Tang   +9 more
doaj   +2 more sources

Density Functional Theory Calculations [PDF]

open access: yes, 2021
This book is a contribution to the fast and broad Density Functional Theory (DFT) applications of the last few years. Since 2000, the DFT has grown exponentially in several computational areas because of its versatility and reliability to calculate ...
core   +3 more sources

A standard grid for density functional calculations [PDF]

open access: yesChemical Physics Letters, 1993
Abstract An efficient and reasonably accurate grid, designated SG-1, is proposed for use in density functional calculations. Defined for all atoms from H to Ar, SG-1 is recommended as a standard grid, analogous to the various standard basis sets which are used in contemporary quantum chemistry.
Peter M.W Gill   +2 more
openaire   +3 more sources

Giant Magnetoelectric Coupling in Multiferroic PbTi1–xVxO3 from Density Functional Calculations [PDF]

open access: yesACS Omega, 2019
Lokanath Patra   +3 more
doaj   +2 more sources

Ab initio and density functional theory study of the Monsanto catalytic cycle. [PDF]

open access: yes, 1997
The results of an effective core potential ab initio and Density Functional Theory (DFT) quantum mechanical study of the rhodium- and iodide- catalysed Monsanto acetic acid cycle are presented.
Griffin, Tim Robert
core   +5 more sources

Antioxidant Properties of Kynurenines: Density Functional Theory Calculations. [PDF]

open access: yesPLoS Computational Biology, 2016
Kynurenines, the main products of tryptophan catabolism, possess both prooxidant and anioxidant effects. Having multiple neuroactive properties, kynurenines are implicated in the development of neurological and cognitive disorders, such as Alzheimer's ...
Aleksandr V Zhuravlev   +3 more
doaj   +1 more source

Noncollinear magnetism in density functional calculations [PDF]

open access: yesPhysical Review B, 2007
We generalize the treatment of the electronic spin degrees of freedom in density functional calculations to the case where the spin vector variables employed in the definition of the energy functional can vary in any direction in space. The expression for the generalized exchange-correlation potential matrix elements is derived for general functionals ...
Peralta, Juan E.   +2 more
openaire   +2 more sources

Correlation between asymmetric profiles in slits and standard prewetting lines [PDF]

open access: yesPapers in Physics, 2009
The adsorption of Ar on substrates of Li is investigated within the framework of a density functional theory which includes an effective pair potential recently proposed.
Leszek Szybisz, Salvador A. Sartarelli
doaj   +1 more source

Density functional calculations for4He droplets [PDF]

open access: yesZeitschrift für Physik D Atoms, Molecules and Clusters, 1995
15 pages, REVTEX, 10 figures available upon request or at http://anubis.science.unitn.it/~dalfovo/papers/papers ...
Casas, M.   +4 more
openaire   +2 more sources

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