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Cited by 12,218

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

The SIESTA method for ab initio order-N materials simulation

Open access
Soler, José M, Artacho, Emilio, Gale, Julian D, García, Alberto, Junquera, Javier, Ordejón, Pablo, Sánchez-Portal, Daniel·2002·Journal of Physics: Condensed Matter

Abstract

We have developed and implemented a selfconsistent density functional method using standard norm-conserving pseudopotentials and a flexible, numerical linear combination of atomic orbitals basis set, which includes multiple-zeta and polarization orbitals. Exchange and correlation are treated with the local spin density or generalized gradient approximations. The basis functions and the electron density are projected on a real-space grid, in order to calculate the Hartree and exchange-correlation potentials and matrix elements, with a number of operations that scales linearly with the size of the system. We use a modified energy functional, whose minimization produces orthogonal wavefunctions and the same energy and density as the Kohn-Sham energy functional, without the need for an explicit orthogonalization. Additionally, using localized Wannier-like electron wavefunctions allows the computation time and memory required to minimize the energy to also scale linearly with the size of the system. Forces and stresses are also calculated efficiently and accurately, thus allowing structural relaxation and molecular dynamics simulations.

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Crossref · 10.1088/0953-8984/14/11/302

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Metadata

Authors
Soler, J. M., Artacho, E., Gale, J. D., García, A., Junquera, J., Ordejón, P., & Sánchez-Portal, D.
Venue
Journal of Physics: Condensed Matter
Published
2002-03-08
Volume
14
Issue
11
Pages
2745-2779
ISSN
  • 0953-8984 (ISSN-L)
  • 1361-648X
OpenAlex
W2141704677
Cited by
12,218
References
6
FWCI
90.88
Type
journal article
Language
en
Open access
green

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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