  We address low-density two-dimensional circular quantum dots with
spin-restricted Kohn-Sham density functional theory. By using an
exchange-correlation functional that encodes the effects of the
strongly-correlated regime (and that becomes exact in the limit of infinite
correlation), we are able to reproduce characteristic phenomena such as the
formation of ring structures in the electronic total density, preserving the
fundamental circular symmetry of the system. The observation of this and other
well-known effects in Wigner-localized quantum dots such as the flattening of
the addition energy spectra, has until now only been within the scope of other,
numerically more demanding theoretical approaches
