Pashkevich, V. V. and Meier, P. and Brack, Matthias and Unzhakova, A. V. (2002) Semiclassical analysis of the lowest-order multipole deformations of simple metal clusters. PHYSICS LETTERS A, 294 (5-6): PII S0375-. pp. 314-318. ISSN 0375-9601
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We use a perturbative semiclassical trace formula to calculate the three lowest-order multipole (quadrupole epsilon(2), octupole epsilon(3), and hexadecapole epsilon(4)) deformations of simple metal clusters with 90 less than or equal to N less than or equal to 550 atoms in their ground states. The self-consistent mean field of the valence electrons is modeled by an axially deformed cavity and the oscillating part of the total energy is calculated semiclassically using the shortest periodic orbits. The average energy is obtained from a liquid-drop model adjusted to the empirical bulk and surface properties of the sodium Metal. We obtain good qualitative agreement with the results of quantum-mechanical calculations using Strutinsky's shell-correction method. (C) 2002 Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | LARGE SODIUM CLUSTERS; SHELL-STRUCTURE; DEFORMED-NUCLEI; JELLIUM MODEL; TRACE FORMULA; SUPERSHELLS; OCTUPOLE; EQUATION; PHYSICS; SHAPES; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Alumni or Retired Professors > Group Matthias Brack |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 08 Nov 2021 07:55 |
| Last Modified: | 08 Nov 2021 07:55 |
| URI: | https://pred.uni-regensburg.de/id/eprint/40476 |
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