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Multiple Plasmon Satellites in Na and Al Spectral Functions from Ab Initio Cumulant Expansion.
TLDR
The cumulant expansion approach is used to obtain the spectral functions of Na and Al from ab initio calculations including the effects of band structure and the GW spectral functions are dramatically improved. Expand
Bulk and surface electronic structures of MgO.
Product-basis method for calculating dielectric matrices.
Self-energy of ferromagnetic nickel in the GW approximation.
  • Aryasetiawan
  • Physics, Medicine
  • Physical review. B, Condensed matter
  • 15 November 1992
TLDR
The one-electron excitation spectra of ferromagnetic nickel have been obtained from a first-principles calculation of the self-energy operator within the so-called GW approximation and a significant contribution to the spectral weight from quasiparticle peaks around that energy is found. Expand
Electronic structure of NiO in the GW approximation.
Density-functional theory for two noninteracting spinless fermions.
  • Aryasetiawan, Stott
  • Physics, Medicine
  • Physical review. B, Condensed matter
  • 15 September 1986
TLDR
It is found that densities of the form ${e}^{\ensuremath{-}ar}ar$ for two-particle systems are not ground-state $v$ representable. Expand
Effective potentials in density-functional theory.
  • Aryasetiawan, Stott
  • Physics, Medicine
  • Physical review. B, Condensed matter
  • 15 August 1988
Local-field effects in NiO and Ni.
TLDR
It is demonstrated that the size of the local-field effects are governed by a certain Coulomb integral w which is determined by the important transitions, and it is shown that theory is in rather good agreement with experiment. Expand
Energy loss spectra and plasmon dispersions in alkali metals: Negative plasmon dispersion in Cs.
3d semicore states in ZnSe, GaAs, and Ge.
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