Van der Waals interactions at surfaces by DFT using Wannier functions

Details Van der Waals interactions at surfaces by DFT using Wannier functions Van der Waals interactions at surfaces by DFT using Wannier functions

2008-09-09

arxiv.org/abs/0809.1491v1

Physics

Condensed Matter

Other Condensed Matter

submitted to Phys. Rev. Lett

Scientific paper

10.1063/1.3077288

The method recently developed to include Van der Waals interactions in the Density Functional Theory by using the Maximally-Localized Wannier functions, is improved and extended to the case of atoms and fragments weakly bonded (physisorbed) to metal and semimetal surfaces, thus opening the way to realistic simulations of surface-physics processes, where Van der Waals interactions play a key role. Successful applications to the case of Ar on graphite and on the Al(100) surface, and of the H2 molecule on Al(100) are presented.

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