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Aufsatz
Theory for the optical properties of small Hg_n clusters
(1991)
The static and dynamical polarizabilities of the Hg-dimer are calculated by using a Hubbard Hamiltonian to describe the electronic structure. The Hamiltonian is diagonalized exactly within a subspace of second-quantized electronic states from which only multiply ionized atomic configurations have been excluded. With this approximation we can describe the most important electronic transitions including the effect of charge fluctuations. We analyze the polarizability as a function of the intraatomic Coulomb interaction ...
Aufsatz
S. Maria in Via Lata
(1991)
Aufsatz
Der (Taschen-)Computer als Werkzeug im Analysisunterricht
(Postel, Helmut (Hrsg.), 1991)