3 years ago

Assessment of interaction-strength interpolation formulas for gold and silver clusters.

F. Della Sala, S. Giarrusso, E. Fabiano, P. Gori-Giorgi

The performance of functionals based on the idea of interpolating between the weak and the strong-interaction limits the global adiabatic-connection integrand is carefully studied for the challenging case of noble-metal clusters. Different interpolation formulas are considered and various features of this approach are analyzed. It is found that these functionals, when used as a correlation correction to Hartree-Fock, are quite robust for the description of atomization energies, while performing less well for ionization potentials. Future directions that can be envisaged from this study and a previous one on main group chemistry are discussed.

Publisher URL: http://arxiv.org/abs/1801.09869

DOI: arXiv:1801.09869v1

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