This Article contains errors. In the ‘Results and Discussion’ section,
“…the exchange energy per particle in a uniform gas with KF = 3π2n. For s < 2, Fx(s) of vdW-DF-C09 matches PBEsol, which tends to the form of the gradient expansion approximation (GEA)67; where F_x(s) = 1 + \mu s2 with \mu = 0.0864”.
should read:
“…the exchange energy per particle in a uniform gas with kF = [3π2n]1/3. For s < 2, Fx(s) of vdW-DF-C09 matches PBEsol, which tends to the form of the gradient expansion approximation (GEA)67; where Fx(s) = 1 + μ s2 with μ = 0.0864”.
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The online version of the original article can be found at 10.1038/srep43482
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Yuk, S., Pitike, K., Nakhmanson, S. et al. Erratum: Towards an accurate description of perovskite ferroelectrics: exchange and correlation effects. Sci Rep 7, 46647 (2017). https://doi.org/10.1038/srep46647
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DOI: https://doi.org/10.1038/srep46647
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