Time-Dependent Density-Functional Calculations for Optical Spectra of Na2 and Na4 Clusters
Time-Dependent Density-Functional Calculations for Optical Spectra of Na2 and Na4 Clusters
摘要
With the frame of the time-dependent local density approximation, an efficient description of the optical response of clusters has been used to study the photo-absorption cross section of Na2 and Na4 clusters. It is shown that our calculated results are in good agreement with the experiment. In addition, our calculated spectrum for the Na4 cluster is in better agreement with experiment than the GW absorption spectrum.
基金
The project supported by National Natural Science Foundation of China under Grant Nos. 10405025, 10575012, 10435020, and 10535010
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