dorsal/arxiv
View SchemaStructure and static response of small silver clusters to an external electric field
| Authors | M. Pereiro, D. Baldomir |
|---|---|
| Categories | |
| ArXiv ID | physics/0702238 |
| URL | https://arxiv.org/abs/physics/0702238 |
| DOI | 10.1103/PhysRevA.75.033202 |
| Journal | Phys. Rev. A 75, 033202 (2007) |
Abstract
The static response properties and the structural stability of silver clusters in the size range $1\le n \le 23$ have been studied using a linear combination of atomic Gaussian-type orbitals within the density functional theory in the finite field approach. The Kohn-Sham equations have been solved in conjuction with a generalized gradient approximation (GGA) exchange-correlation functional. A proof that the finite basis set GGA calculation holds the Hellmann-Feynman theorem is also included in the Appendix. The calculated polarizabilities of silver clusters are compared with the experimental measurements and the jellium model in the spillout approximation. Despite the fact that the calculated polarizabilities are in good agreement with both of them, we have found that the polarizability appears to be strongly correlated to the cluster shape and the highest occupied-lowest unoccupied molecular-orbital gap.
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"abstract": "The static response properties and the structural stability of silver\nclusters in the size range $1\\le n \\le 23$ have been studied using a linear\ncombination of atomic Gaussian-type orbitals within the density functional\ntheory in the finite field approach. The Kohn-Sham equations have been solved\nin conjuction with a generalized gradient approximation (GGA)\nexchange-correlation functional. A proof that the finite basis set GGA\ncalculation holds the Hellmann-Feynman theorem is also included in the\nAppendix. The calculated polarizabilities of silver clusters are compared with\nthe experimental measurements and the jellium model in the spillout\napproximation. Despite the fact that the calculated polarizabilities are in\ngood agreement with both of them, we have found that the polarizability appears\nto be strongly correlated to the cluster shape and the highest occupied-lowest\nunoccupied molecular-orbital gap.",
"arxiv_id": "physics/0702238",
"authors": [
"M. Pereiro",
"D. Baldomir"
],
"categories": [
"physics.atm-clus",
"physics.chem-ph"
],
"doi": "10.1103/PhysRevA.75.033202",
"journal_ref": "Phys. Rev. A 75, 033202 (2007)",
"title": "Structure and static response of small silver clusters to an external electric field",
"url": "https://arxiv.org/abs/physics/0702238"
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