Soft self-consistent pseudopotentials in a generalized eigenvalue formalism

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A new approach to the construction of first-principles pseudopotentials is described. The method allows transferability to be improved systematically while holding the cutoff radius fixed, even for large cutoff radii. Novel features are that the pseudopotential itself becomes charge-state dependent, the usual norm-conservation constraint does not apply, and a generalized eigenproblem is introduced. The potentials have a separable form well suited for plane-wave solid-state calculations, and show promise for application to first-row and transition-metal systems.

Original languageEnglish (US)
Pages (from-to)7892-7895
Number of pages4
JournalPhysical Review B
Issue number11
StatePublished - 1990
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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