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Screening effects on plasmon damping in an electron liquid

✍ Scribed by Martina E. Bachlechner; Helga M. Böhm; Andreas Schinner

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
863 KB
Volume
183
Category
Article
ISSN
0921-4526

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✦ Synopsis

Plasmon damping in the three-dimensional homogeneous electron gas is investigated within the formalism of secondorder perturbation theory, concentrating on the effects of static and dynamic screening. We have found several different theoretical approaches leading to comparable results, especially in the metallic-density regime. Using a spin-dependent interaction, however, significantly improves the results of our theory towards a better agreement with the experiments.

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