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Exchange correlation energy densities for two-dimensional systems from quantum dot ground-states

Wensauer, Andreas ; Rössler, Ulrich
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Date of publication of this fulltext: 05 Aug 2009 13:27


Abstract

In this paper we present how to extract polarization-dependent exchange-correlation energy densities for two-dimensional systems from reference densities and energies of quantum dots provided by an exact diagonalization. Compared with results from the literature, we find systematic corrections for all polarizations in the regime of high densities.


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