Self-Consistent Calculation of the Collective Excitations of Small Jellium Spheres
The time-dependent local density approximation is used to compute the complex eigenfrequencies for the dipolar excitations of small jellium spheres. The dynamic response of the sphere to a time-dependent field is continued to complex frequencies in order to isolate the contributions of the individual eigenmodes of the system. The computations are reported for closed-shell configurations containing from 8 to 198 electrons.
KeywordsFano Resonance Collective Excitation Plasma Mode Jellium Model Positive Charge Density
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- 11.Zangwill and Soven in their atomic calculations (Ref. 1) found that their thresholds typically began several volts below the observed thresholds.Google Scholar
- 12.Details of this continuation as well as a more comprehensive report of this calculation will be published elsewhere.Google Scholar