| Issue |
EPL
Volume 79, Number 6, September 2007
|
|
|---|---|---|
| Article Number | 63001 | |
| Number of page(s) | 5 | |
| Section | Atomic, Molecular and Optical Physics | |
| DOI | https://doi.org/10.1209/0295-5075/79/63001 | |
| Published online | 03 September 2007 | |
Liquid-drop stability of a superdeformed prolate semi-spheroidal atomic cluster
1
Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH) RO-077125 Bucharest-Magurele, Romania
2
Frankfurt Institute for Advanced Studies (FIAS), J. W. Goethe Universität Max-von-Laue-Str. 1, D-60438 Frankfurt am Main, Germany
Received:
4
July
2007
Accepted:
3
August
2007
Analytical relationships for the surface and curvature energies of oblate and prolate semi-spheroidal atomic clusters have been obtained. By modifying the cluster shape from a spheroid to a semi-spheroid (including the flat surface of the end cup) the most stable shape was changed from a sphere to a superdeformed prolate semi-spheroid. Potential energy surfaces vs. deformation and the number of atoms, N, illustrate this property independent of N.
PACS: 36.40.Qv – Stability and fragmentation of clusters / 71.45.-d – Collective effects / 61.46.Bc – Clusters
© Europhysics Letters Association, 2007
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