Triaxial shapes of sodium clusters View Full Text


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Article Info

DATE

1995-06

AUTHORS

S. M. Reimann, S. Frauendorf, M. Brack

ABSTRACT

A modified Nilsson-Clemenger model is combined with Strutinsky's shell correction method. For spherical clusters, the model potential is fitted to the single-particle spectra obtained from selfconsistent Kohn-Sham calculations. The deformation energy surfaces of sodium clusters with sizes of up toN=270 atoms are calculated for a combination of triaxial, quadrupole and hexadecapole deformations. The ground state shapes and energies are determined by simultaneous minimization with respect to the three shape parameters. A significant fraction of the clusters is predicted to be triaxial. The deviations from the axial shape do not generate any systematic odd-even staggering of the binding energies. More... »

PAGES

125-134

References to SciGraph publications

  • 1977-09. Semiclassical interpretation of the gross-shell structure in deformed nuclei in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • 1993-03. Shapes of Na Clusters in ZEITSCHRIFT FÜR PHYSIK D ATOMS,MOLECULES AND CLUSTERS
  • 1991-10. Observation of quantum supershells in clusters of sodium atoms in NATURE
  • 1968-08. Messung der Oberflächenspannung der flüssigen Alkalimetalle im Ultra-Hochvakuum in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
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    http://scigraph.springernature.com/pub.10.1007/bf01439387

    DOI

    http://dx.doi.org/10.1007/bf01439387

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