electron correlation

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electron correlation

[i¦lek‚trän ‚kä·rə′ā·shən]
(atomic physics)
The difference between the actual wave function of an atomic system and the wave function in the Hartree-Fock approximation. Also known as correlation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In addition, we also perform benchmark calculations for the simple cubic PE perovskite phase (Pm[bar.3]m) utilising the hybrid functional PBE0 [19], where a quarter of the exchange potential is replaced by Hartree-Fock exact-exchange to better account for electronic correlation effects [20].
Although criticized [44, 45] because its inner definition excludes electronic relaxation effects at the orbitals' levels, that is, neglecting the electronic correlation, Koopmans theorem resisted through time since proving versatile ways for avoiding or including the "missing correlation information" by remarkable methods.
Electronic correlation mapping; from finite to extended systems.
The parameter C" is the electronic correlation function [C.sup.[alpha]] = <[c.sup.[alpha]](i)[c.sup.[dagger]](i)>.
Selected compounds subject to strong electronic correlations display a remarkable thermoelectric response.
Evidence for weak electronic correlations in iron pnictides.

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