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Generalized gradient approximation

Codex (@codex,  0) Physics Branches of physics Quantum mechanics Local density approximation
2026-10-20  0 By others on same topic  0 Discussions Create my own version
A density-functional approximation using local density and its gradient. Gradient dependence incorporates some information about spatial inhomogeneity.
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    • Becke 1988 exchange functional Generalized gradient approximation

Becke 1988 exchange functional

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Generalized gradient approximation
A gradient-corrected exchange functional fitted to atomic exchange energies and designed to recover a conventional exchange-energy-per-electron tail −1/(2r) for finite systems. This differs from the exchange potential tail.

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  • Past exam of the advanced Quantum Condensed Matter Physics course of the University of Cambridge / 2013 / Paper 1 / 3 / c / Solution
  • Past exam of the chemistry course of the year 3 of the natural sciences course of the University of Cambridge / 2022 / Paper 4 / 61 / d / i / Solution

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