Dissociation and fission of small sodium and strontium clusters

A. Lyalin; O. I. Obolensky; A. V. Solov'yov; W. Greiner

doi:10.1140/epjd/e2005-00126-5

EPJ

Dissociation and fission of small sodium and strontium clusters

A. Lyalin¹^a, O. I. Obolensky²^,3, A. V. Solov'yov³ and W. Greiner³

¹ Institute of Physics, St Petersburg State University, Ulianovskaya str. 1, 198504 St Petersburg, Petrodvorez, Russia
² A.F. Ioffe Physical-Technical Institute, Politechnicheskaja str. 26, 194021 St. Petersburg, Russia
³ Frankfurt Institute for Advanced Studies, Robert-Mayer Str. 10, 60054 Frankfurt am Main, Germany

Corresponding author: ^a This email address is being protected from spambots. You need JavaScript enabled to view it.

Received: 6 September 2004
Published online: 13 July 2005

Abstract

Fission of charged small sodium and strontium clusters has been studied by the ab initio density functional theory methods. Dissociation energies and fission barriers have been calculated for all possible fission channels for the $Mathematical equation: $\rm Na_{10}^{2+}$$ and $Mathematical equation: $\rm Sr_{7}^{2+}$$ clusters. The dissociation energies and fission barriers have been analyzed as functions of the daughter fragment size.

PACS: 36.40.Qv – Stability and fragmentation of clusters / 36.40.Wa – Charged clusters / 31.15.Qg – Molecular dynamics and other numerical methods

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EPJ

Dissociation and fission of small sodium and strontium clusters

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