4.6 Article

Fusion of the LAPW and LMTO methods: The augmented plane wave plus muffin-tin orbital method

Journal

PHYSICAL REVIEW B
Volume 81, Issue 12, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.125117

Keywords

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Funding

  1. ONR [N000147-1-0479]
  2. NSF [QMHP-0802216]
  3. Div Of Electrical, Commun & Cyber Sys
  4. Directorate For Engineering [0802216] Funding Source: National Science Foundation

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We present a full potential linearized method to solve the one-body problem, for example in the local density approximation. A mixed basis of augmented plane waves and generalized muffin-tin orbitals (MTOs) are used for the eigenfunctions. Since MTOs efficiently describe low-energy and localized states, the mixed basis is dramatically more efficient than the linearized augmented plane wave method for a given tolerance. GaAs, MnAs, SrTiO(3), Cu, and the O(2) dimer are used as illustrations.

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