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On the local density approximation for Breit interaction

J P Perdew and L A Cole

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The large relative error of the local density approximation for the transverse-photon-electron or Breit energy in atoms and solids is shown to arise from spurious self-interaction of the 1s electrons. Orbital self-interaction correction dramatically reduces this error. On the other hand, the large relative error of the local density approximation for the Breit contribution to the 2s electron removal energy is almost unchanged by self-interaction correction.


PACS

71.15.Mb Density functional theory, local density approximation, gradient and other corrections

71.20.-b Electron density of states and band structure of crystalline solids

71.15.Nc Total energy and cohesive energy calculations

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 26 (20 September 1982)



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