38 citations · 162 across the 6 of their papers we have counts for
4 papers · 1 filter
Local correlation functional for electrons in two dimensions
S. Pittalis, E. Rasanen, M. Marques
We derive a local approximation for the correlation energy in two-dimensional electronic systems. In the derivation we follow the scheme originally developed by Colle and Salvetti…
Electron localization function for two-dimensional systems
E. Rasanen, A. Castro, E. K. U. Gross
The concept of the electron localization function (ELF) is extended to two-dimensional (2D) electron systems. We show that the topological properties of the ELF in 2D are considera…
Spin-droplets in confined quantum Hall systems
E. Rasanen, H. Saarikoski, A. Harju +2
Two-dimensional semiconductor quantum dots are studied in the the filling-factor range 2<v<3. We find both theoretical and experimental evidence of a collective many-body phenomeno…
Exchange-energy functionals for finite two-dimensional systems
S. Pittalis, E. Rasanen, N. Helbig +1
Implicit and explicit density functionals for the exchange energy in finite two-dimensional systems are developed following the approach of Becke and Roussel [Phys. Rev. A 39, 3761…