Aufsatz
Theory for the change of bond character in divalent-metal clusters
Abstract
To determine the size dependence of the bonding in divalent-metal clusters we use a many-electron Hamiltonian describing the interplay between van der Waals (vdW) and covalent interactions. Using a saddle-point slave-boson method and taking into account the size-dependent screening of charge fluctuations, we obtain for Hg_n a sharp transition from vdW to covalent bonding for increasing n. We show
also, by solving the model Hamiltonian exactly, that for divalent metals vdW and covalent bonding coexist already in the dimers.
also, by solving the model Hamiltonian exactly, that for divalent metals vdW and covalent bonding coexist already in the dimers.
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Publikationen (Theoretische Physik II - Theoretische Festkörper- und Ultrakurzzeitphysik)Citation
@article{urn:nbn:de:hebis:34-2008070222411,
author={Garcia, Martin E. and Pastor, G. M. and Bennemann, K. H.},
title={Theory for the change of bond character in divalent-metal clusters},
year={1991}
}
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<resource xsi:schemaLocation="http://datacite.org/schema/kernel-2.2 http://schema.datacite.org/meta/kernel-2.2/metadata.xsd"> 2008-07-02T09:09:51Z 2008-07-02T09:09:51Z 1991 0031-9007 urn:nbn:de:hebis:34-2008070222411 http://hdl.handle.net/123456789/2008070222411 689170 bytes application/pdf eng Urheberrechtlich geschützt https://rightsstatements.org/page/InC/1.0/ 530 Theory for the change of bond character in divalent-metal clusters Aufsatz To determine the size dependence of the bonding in divalent-metal clusters we use a many-electron Hamiltonian describing the interplay between van der Waals (vdW) and covalent interactions. Using a saddle-point slave-boson method and taking into account the size-dependent screening of charge fluctuations, we obtain for Hg_n a sharp transition from vdW to covalent bonding for increasing n. We show also, by solving the model Hamiltonian exactly, that for divalent metals vdW and covalent bonding coexist already in the dimers. open access Phys. Rev. Lett. 67, 1152 (1991) Garcia, Martin E. Pastor, G. M. Bennemann, K. H. Extern 71.30.+h 36.40.+d 71.10.+x </resource>
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