On the Role of Screening in Metallic Clusters
This work aims at visualizing the role of the inelastic electron-electron relaxation time in metal cluster. We develop a quantum mechanical model for the description of inelastic electronic collisions from metal cluster and applies it to the ionization of C60 by low-energy electrons. The results show evidently that the measured spectrum for the production of C+60 depends strongly on the screening of the electron-electron collisions. The value of the screening length we obtain is in accord with previous studies on the relaxation in metal clusters.
KeywordsInteracting electron liquid metal clusters electronic correlation variable phase approach ionization
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