MatSci-SAM
Definitions for exchange-correlation functional

Provenance: exchange-correlation functional

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  1. Term "exchange-correlation functional" created

    Jul 26, 2026 at 11:19 AM UTC

  2. Definition 1 · revision 1 writtenChristopher Rauch

    Jul 26, 2026 at 11:19 AM UTC

    Initial contribution The part of a density functional theory calculation that approximates the exchange and correlation contributions to the electronic energy, which are not known exactly and must be modelled. The choice of functional is the main source of syst…

  3. AI refinement requested (round 1)Christopher Rauch

    Jul 26, 2026 at 11:20 AM UTC

  4. AI suggested a revision (round 1)gemma4:26brefine

    Jul 26, 2026 at 11:20 AM UTC

    An approximation used within Density Functional Theory (DFT) to account for the exchange and correlation energy of an electron system. Because the exact functional form of these many-body interactions is unknown, it must be modeled using va…

  5. Author kept their original (round 1)Christopher Rauch

    Jul 26, 2026 at 11:21 AM UTC