Combining wave function methods with density functional theory for excited states

S Ghosh, P Verma, CJ Cramer, L Gagliardi… - Chemical …, 2018‏ - ACS Publications
We review state-of-the-art electronic structure methods based both on wave function theory
(WFT) and density functional theory (DFT). Strengths and limitations of both the wave …

Electronic excitations: density-functional versus many-body Green's-function approaches

G Onida, L Reining, A Rubio - Reviews of modern physics, 2002‏ - APS
Electronic excitations lie at the origin of most of the commonly measured spectra. However,
the first-principles computation of excited states requires a larger effort than ground-state …

GW100: Benchmarking G0W0 for Molecular Systems

MJ Van Setten, F Caruso, S Sharifzadeh… - Journal of chemical …, 2015‏ - ACS Publications
We present the GW 100 set. GW 100 is a benchmark set of the ionization potentials and
electron affinities of 100 molecules computed with the GW method using three independent …

ABINIT: First-principles approach to material and nanosystem properties

X Gonze, B Amadon, PM Anglade, JM Beuken… - Computer Physics …, 2009‏ - Elsevier
ABINIT [http://www. abinit. org] allows one to study, from first-principles, systems made of
electrons and nuclei (eg periodic solids, molecules, nanostructures, etc.), on the basis of …

Electronic structure calculations with dynamical mean-field theory

G Kotliar, SY Savrasov, K Haule, VS Oudovenko… - Reviews of Modern …, 2006‏ - APS
A review of the basic ideas and techniques of the spectral density-functional theory is
presented. This method is currently used for electronic structure calculations of strongly …

Quasiparticle energies and band gaps in graphene nanoribbons

L Yang, CH Park, YW Son, ML Cohen, SG Louie - Physical review letters, 2007‏ - APS
We present calculations of the quasiparticle energies and band gaps of graphene
nanoribbons (GNRs) carried out using a first-principles many-electron Green's function …

Implementation and performance of the frequency-dependent method within the PAW framework

M Shishkin, G Kresse - Physical Review B—Condensed Matter and Materials …, 2006‏ - APS
Algorithmic details and results of fully frequency-dependent G 0 W 0 calculations are
presented. The implementation relies on the spectral representation of the involved matrices …

First-principles study of intrinsic point defects in ZnO: Role of band structure, volume relaxation, and finite-size effects

P Erhart, K Albe, A Klein - Physical Review B—Condensed Matter and …, 2006‏ - APS
Density-functional theory (DFT) calculations of intrinsic point defect properties in zinc oxide
were performed in order to remedy the influence of finite-size effects and the improper …

Huge excitonic effects in layered hexagonal boron nitride

B Arnaud, S Lebègue, P Rabiller, M Alouani - Physical review letters, 2006‏ - APS
The all-electron GW approximation energy band gap of bulk hexagonal boron nitride is
shown to be of indirect type. The resulting computed in-plane polarized optical spectrum …

X-ray absorption near-edge structure calculations with the pseudopotentials: Application to the K edge in diamond and -quartz

M Taillefumier, D Cabaret, AM Flank, F Mauri - Physical Review B, 2002‏ - APS
We present a reciprocal-space pseudopotential scheme for calculating x-ray absorption
near-edge structure (XANES) spectra. The scheme incorporates a recursive method to …