Interaction of helium with a metal surface
- 15 April 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 27 (8) , 4612-4616
- https://doi.org/10.1103/physrevb.27.4612
Abstract
It is shown that the binding of a helium atom to a metal surface is well described using the local-density approximation to treat exchange and correlation effects. The self-consistent solution is in turn well approximated by the effective-medium theory. In this theory the interaction is dominated by a repulsive term proportional to the surface electron density.Keywords
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