Plasmon wakefields and dispersive properties of metallic nanostructures

Details Plasmon wakefields and dispersive properties of metallic nanostructures Plasmon wakefields and dispersive properties of metallic nanostructures

2010-12-04

arxiv.org/abs/1012.0870v1

Phys Rev B 83.153401 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures, submitted to PRL

Scientific paper

10.1103/PhysRevB.83.153401

We investigate the excitation of electrostatic wakefields in metallic nanostructures (nanowires) due to the propagation of a short electron pulse. For that purpose, a dispersive (nonlocal) dielectric response of the system is considered, accounting for both the finiteness of the system and the quantum (Bohm) difraction of the conduction electron band, generalizing the results obtained previously in the literature [Phys. Rev. Lett. \textbf{103}, 097403 (2009)]. We discuss on the stability conditions of wakefields and show that the underling mechanism can be useful to investigate new sources of radiation in the extreme-ultra-violet (XUV) range.

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