https://doi.org/10.1007/s100530170184
Some new properties of deformed atomic clusters described in a projected spherical basis
1
Department of Theoretical Physics,
Bucharest University, Bucharest, POB MG11, Romania
2
Institute of Physics and Nuclear Engineering, Bucharest,
POB MG6, Romania
3
Instituto de Estructura de la Materia, CSIC, Serrano
119-123, 28006 Madrid, Spain
Corresponding author: a raduta@theor1.theory.nipne.ro or raduta@ifin.nipne.ro
Received:
28
November
2000
Revised:
15
February
2001
Published online: 15 July 2001
Some properties of small sodium clusters, comprising up to 45 atoms, are described using a projected spherical single particle basis. The variation of the cluster shape and inner density with the number of atoms is studied. Seemingly chestnut, clusterization and halo like structures are identified for several metallic clusters. Static polarizabilities and plasmon frequencies are calculated and compared with experimental data and with results obtained in different approaches.
PACS: 36.40.-c – Atomic and molecular clusters / 73.20.Mf – Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2001
