The Tight-Binding method: application to AB s-valent dimer

preprint2011arXivOpen access

Abstract

The AB s-valent dimer is used to analyse bond formation and charge transfer within the tight-binding (TB) approximation. In this way a physical interpretation of the electronic structure and binding energy within density functional theory (DFT) is obtained which lends itself to the derivation of covalent and ionic interatomic potentials.

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