First-principles calculation methods for obtaining scattering waves to investigate transport properties of nanostructures

T Ono, Y Fujimoto, S Tsukamoto - Quantum Matter, 2012‏ - ingentaconnect.com
Recent developments in the fabrication and investigation of atomic-sized conductors have
enabled the construction of electronic devices of less than 100 nanometers. In this review …

PARSEC–the pseudopotential algorithm for real‐space electronic structure calculations: recent advances and novel applications to nano‐structures

L Kronik, A Makmal, ML Tiago… - … status solidi (b), 2006‏ - Wiley Online Library
We describe the formalism, as well as numerical and implementation issues behind
PARSEC–the pseudopotential algorithm for real‐space electronic structure calculations. Its …

BerkeleyGW: A massively parallel computer package for the calculation of the quasiparticle and optical properties of materials and nanostructures

J Deslippe, G Samsonidze, DA Strubbe, M Jain… - Computer Physics …, 2012‏ - Elsevier
BerkeleyGW is a massively parallel computational package for electron excited-state
properties that is based on the many-body perturbation theory employing the ab initio GW …

[ספר][B] Ab initio molecular dynamics: basic theory and advanced methods

D Marx, J Hutter - 2009‏ - books.google.com
Ab initio molecular dynamics revolutionized the field of realistic computer simulation of
complex molecular systems and processes, including chemical reactions, by unifying …

Self-consistent-field calculations using Chebyshev-filtered subspace iteration

Y Zhou, Y Saad, ML Tiago, JR Chelikowsky - Journal of Computational …, 2006‏ - Elsevier
The power of density functional theory is often limited by the high computational demand in
solving an eigenvalue problem at each self-consistent-field (SCF) iteration. The method …

Optical excitations in organic molecules, clusters, and defects studied by first-principles Green's function methods

ML Tiago, JR Chelikowsky - Physical Review B—Condensed Matter and …, 2006‏ - APS
Spectroscopic and optical properties of nanosystems and point defects are discussed within
the framework of Green's function methods. We use an approach based on evaluating the …

Parallel self-consistent-field calculations via Chebyshev-filtered subspace acceleration

Y Zhou, Y Saad, ML Tiago, JR Chelikowsky - Physical Review E—Statistical …, 2006‏ - APS
Solving the Kohn-Sham eigenvalue problem constitutes the most computationally expensive
part in self-consistent density functional theory (DFT) calculations. In a previous paper, we …

Finite element methods in ab initio electronic structure calculations

JE Pask, PA Sterne - … and Simulation in Materials Science and …, 2005‏ - iopscience.iop.org
We review the application of the finite element (FE) method to ab initio electronic structure
calculations in solids. The FE method is a general approach for the solution of differential …

Adaptive local basis set for Kohn–Sham density functional theory in a discontinuous Galerkin framework I: Total energy calculation

L Lin, J Lu, L Ying, E Weinan - Journal of Computational Physics, 2012‏ - Elsevier
Kohn–Sham density functional theory is one of the most widely used electronic structure
theories. In the pseudopotential framework, uniform discretization of the Kohn–Sham …

Fundamental gaps with approximate density functionals: The derivative discontinuity revealed from ensemble considerations

E Kraisler, L Kronik - The Journal of chemical physics, 2014‏ - pubs.aip.org
The fundamental gap is a central quantity in the electronic structure of matter. Unfortunately,
the fundamental gap is not generally equal to the Kohn-Sham gap of density functional …