Publications (35)
Parameter-free density functional for the correlation energy in two dimensions
E. Rasanen, S. Pittalis, C. R. Proetto
Becke-Johnson-type exchange potential for two-dimensional systems
S. Pittalis, E. Rasanen, C. R. Proetto
Gaussian approximations for the exchange-energy functional of current-carrying states: Applications to two-dimensional systems
S. Pittalis, E. Rasanen, E. K. U. Gross
Transverse and longitudinal gradients of the spin magnetization in Spin-Density-Functional Theory
F. G. Eich, S. Pittalis, G. Vignale
Semi-local density functional for the exchange-correlation energy of electrons in two dimensions
E. Rasanen, S. Pittalis, J. G. Vilhena +1
U(1)$\times$SU(2) Gauge Invariance Made Simple for Density Functional Approximations
S. Pittalis, G. Vignale, F. G. Eich
Multiband superconductivity in Pb, H under pressure and CaBeSi from {\it ab-initio} calculations
C. Bersier, A. Floris, P. Cudazzo +10
Spin entanglement in atoms and molecules
S. Pittalis, F. Troiani, C. A. Rozzi +1
Simple exchange-correlation potential with a proper long-range behavior for low-dimensional nanostructures
S. Pittalis, E. Rasanen
Electronic exchange in quantum rings
E. Rasanen, S. Pittalis, C. R. Proetto +1
On the lower bound on the exchange-correlation energy in two dimensions
E. Rasanen, S. Pittalis, C. R. Proetto +1
Density gradients for the exchange energy of electrons in two dimensions
S. Pittalis, E. Rasanen, J. G. Vilhena +1
Role of Coulomb interaction in the superconducting properties of CaC6 and H under pressure
S. Massidda, F. Bernardini, C. Bersier +10
Construction of the B88 exchange-energy functional in two dimensions
J. G. Vilhena, E. Rasanen, M. A. L. Marques +1
Orbital currents in the Colle-Salvetti correlation energy functional and the degeneracy problem
S. Pittalis, S. Kurth, S. Sharma +1
Anti-adiabatic limit of the exchange-correlation kernels of an inhomogeneous electron gas
V. U. Nazarov, I. V. Tokatly, S. Pittalis +1
Phononic Self energy effects and superconductivity in CaC$_6$
A. Sanna, S. Pittalis, J. K. Dewhurst +5
Exact conditions and scaling relations in finite temperature density functional theory
S. Pittalis, C. R. Proetto, A. Floris +4
Correlation energy of two-dimensional systems: Toward non-empirical and universal modeling
S. Pittalis, E. Rasanen, C. Proetto +1
Laplacian-level density functionals for the exchange-correlation energy of low-dimensional nanostructures
S. Pittalis, E. Rasanen
Electron-Electron Interactions in Artificial Graphene
E. Rasanen, C. A. Rozzi, S. Pittalis +1
Exchange-correlation orbital functionals in current-density-functional theory: Application to a quantum dot in magnetic fields
N. Helbig, S. Kurth, S. Pittalis +2
Orbital-free energy functional for electrons in two dimensions
S. Pittalis, E. Rasanen
On the degeneracy of atomic states within exact-exchange (spin-) density functional theory
S. Pittalis, S. Kurth, E. K. U. Gross
Comparison of exact-exchange calculations for solids in current-spin-density- and spin-density-functional theory
S. Sharma, S. Pittalis, S. Kurth +3
Local correlation functional for electrons in two dimensions
S. Pittalis, E. Rasanen, M. Marques
Exchange-energy functionals for finite two-dimensional systems
S. Pittalis, E. Rasanen, N. Helbig +1
A shortcut to gradient-corrected magnon dispersion: exchange-only case
F. G. Eich, S. Pittalis, G. Vignale
Optimized Effective Potential Method in Current-Spin Density Functional Theory
S. Pittalis, S. Kurth, N. Helbig +1
First-principles approach to Non-Collinear Magnetism: towards Spin-dynamics
S. Sharma, J. K. Dewhurst, C. Ambrosch-Draxl +6
Large two-dimensional electronic systems: Self-consistent energies and densities at low cost
E. Rasanen, S. Pittalis, G. Bekcioglu +1
Exchange and correlation energy functionals for two-dimensional open-shell systems
E. Rasanen, S. Pittalis
Lower Bounds on the Exchange-Correlation Energy in Reduced Dimensions
E. Rasanen, S. Pittalis, K. Capelle +1
Quantum continuum mechanics in a strong magnetic field
S. Pittalis, G. Vignale, I. V. Tokatly
Universal correction for the Becke-Johnson exchange potential
E. Rasanen, S. Pittalis, C. Proetto