Fragmentation of the photoabsorption strength in neutral and charged metal microclusters

Details Fragmentation of the photoabsorption strength in neutral and charged metal microclusters Fragmentation of the photoabsorption strength in neutral and charged metal microclusters

2009-10-23

arxiv.org/abs/0910.4576v1

Phys. Rev. Lett. 63, 255 (1989)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

This early (1989) jellium matrix-RPA/LDA (TDLDA in Fock space) study: 1) introduced the physics of spectral Landau-damping fra

Scientific paper

10.1103/PhysRevLett.63.255

The line shape of the plasma resonance in both neutral and charged small sodium clusters is calculated. The overall properties of the multipeak structure observed in the photoabsorption cross section of spherical Na_8 and Na_20 neutral clusters can be understood in terms of Landau damping. Quantal configurations are shown to play an important role. In the case of charged Na_9+ and Na_21^+ clusters a single peak is predicted that carries most of the oscillator strength.

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