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[PDF] Top 20 Density Functional Theory Embedding for Correlated Wavefunctions

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Density Functional Theory Embedding for Correlated Wavefunctions

Density Functional Theory Embedding for Correlated Wavefunctions

... embedded density functional theory for the treatment of correlated ...MP2 theory, and it proved very ...MP2 theory will give qualitatively inaccurate results, such as transition ... See full document

147

Electric field response of strongly correlated one dimensional  metals: a Bethe Ansatz density functional theory study

Electric field response of strongly correlated one dimensional metals: a Bethe Ansatz density functional theory study

... DFT results with those obtained with highly accurate many- body schemes. For these we use ED for small chains and the DMRG method for larger systems. Our calculations reveal a substantial good agreement between LDFT and ... See full document

8

Density-functional theory of polar insulators

Density-functional theory of polar insulators

... the density-functional theory of macroscopic insulators, obtained in the large-cluster limit or under periodic boundary ...Sham wavefunctions is incorrect even if the exact functional ... See full document

14

Recent Progress in Lattice Density Functional Theory

Recent Progress in Lattice Density Functional Theory

... example, density functionals based on range separation have been introduced in order to describe nonlocal correlation effects, which are a consequence of the long-range character of the Coulomb interaction ... See full document

26

Coarse-Graining Kohn-Sham Density Functional Theory

Coarse-Graining Kohn-Sham Density Functional Theory

... Traditional implementations of DFT solve for the wavefunctions (Chelikowsky et al. (1994); Kresse and Furthmüller (1996); Pask et al. (1999); Ismail-Beigi and Arias (2000); Segall et al. (2002); Gonze et al. ... See full document

151

Applications of large scale density functional theory in biology

Applications of large scale density functional theory in biology

... in theory, properties of interest should converge with a smaller QM ...by embedding the system in a polarisable continuum model [5, 6], or in a fully-atomistic polarisable medium [7, 8, ... See full document

61

Nuclear fission in covariant density functional theory

Nuclear fission in covariant density functional theory

... The major difference between the models is related to the use of experimental information on the energies of fission barriers or fission isomers in the fit of the model parameters. It turns out that only CDFT studies of ... See full document

6

Computational studies of correlated 1D and 3D systems : a density functional theory approach

Computational studies of correlated 1D and 3D systems : a density functional theory approach

... We begin by calculating ground state energies of one-dimensional finite-site systems described by the homogeneous Hubbard model with different boundary conditions and over a broad range [r] ... See full document

227

Density-functional theory and the v-representability problem for model strongly correlated electron-systems

Density-functional theory and the v-representability problem for model strongly correlated electron-systems

... In order to test the existence of effective hopping pa- rameters and thereby decide the question of noninteract- ing v representability, we set up a trial Hamiltonian ma- trix and use iterative nonlinear optimization ... See full document

11

An Orbital dependent Correlation Energy Functional in Density functional Theory for the Study of Strongly correlated Electronic Systems

An Orbital dependent Correlation Energy Functional in Density functional Theory for the Study of Strongly correlated Electronic Systems

... Density-functional theory (DFT) 1,2) is a rigorous approach to the many-body problem for the ground state in the framework of a highly self-consistent one-electron ...a functional of the ... See full document

9

An Introduction to Computational Physics, Second Edition pdf

An Introduction to Computational Physics, Second Edition pdf

... highly correlated systems, 364 Hohenberg–Kohn theory, see density functional theory Hollerith, Herman, 5 homogeneous functions, 348 Hoover–Nos´e scheme, see molecular dynamics, constant [r] ... See full document

402

Density functional theory of charged, hard-sphere fluids

Density functional theory of charged, hard-sphere fluids

... energy functional for charged, hard sphere fluids is presented. This functional is designed for systems with large density variations, but may also be applied to systems without such ...ES ... See full document

10

Hybrid ab initio Kohn-Sham density functional theory/frozen-density orbital-free density functional theory simulation method suitable for biological systems

Hybrid ab initio Kohn-Sham density functional theory/frozen-density orbital-free density functional theory simulation method suitable for biological systems

... It should be noted that the present formulation of the hybrid method cannot treat biomolecules that do not fit in- side the KS atomic box, since the FDOF method is currently limited to solvent molecules. This limitation ... See full document

9

Application of density functional theory in the synthesis of electroactive polymers

Application of density functional theory in the synthesis of electroactive polymers

... In the case of E-2-styrylthiophene XI, the highest spin population is located at the 5-position of the thiophene ring 0.211, although both 1”- and 2”-carbon atoms of the alkene spacer li[r] ... See full document

8

Syntheses, Geometrical and Electronic Structure of Alkyladamantanes and Their Thermodynamic Characteristic According to the Density Functional Theory

Syntheses, Geometrical and Electronic Structure of Alkyladamantanes and Their Thermodynamic Characteristic According to the Density Functional Theory

... The geometrical structure, electronic and energy characteristics (energy of boundary orbitals, dipole moments, zero-point energy, entropy values, values of total energies) of compounds (1-11) are calculated by the method ... See full document

6

Electronic and Thermal Properties of Graphenic Systems.

Electronic and Thermal Properties of Graphenic Systems.

... the density of states as k → K. More specifically, the density of state tends to zero linearly for the massless Dirac fermions of MLG while it is a constant in BLG leading to a peculiar ... See full document

102

Development of an exchange–correlation functional with uncertainty quantification capabilities for density functional theory

Development of an exchange–correlation functional with uncertainty quantification capabilities for density functional theory

... exchange-correlation functional from the point of view of machine ...Bayesian, Density Functional Theory, Exchange-Correlation Functional, Uncertainty Quantification PACS: ... See full document

30

A Variational Framework for Spectral Discretization of the Density Matrix in Kohn-Sham Density Functional Theory

A Variational Framework for Spectral Discretization of the Density Matrix in Kohn-Sham Density Functional Theory

... unique functional of the electron density derived from ground- state ...electron density is relevant. What led Kohn and Hohenberg to the electron density of the system? In fact, Kohn-Hohenberg ... See full document

146

Optical properties of reduced graphene oxide : insights from ab initio and hybrid density functional theory

Optical properties of reduced graphene oxide : insights from ab initio and hybrid density functional theory

... Fig. 5.4 depicts one such arrangement. The bond energy for this structure, again calculated relative to an isolated O atom, is 2.416 eV per O atom, or 2.280 eV per O atom after correction for BSSE. The effect of ... See full document

129

Machine learning density functional theory for the Hubbard model

Machine learning density functional theory for the Hubbard model

... In particular, we show that the neural network returns a ground-state energy numerically indistinguishable from that obtained by exact diagonalization and, most importantly, that the fun[r] ... See full document

5

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