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Title:
Protons Passing through the Homogeneous Electron Gas: Polarization Currents Velocities of Excited Electrons and Deposited Energy Density
Authors:
Mathar, Richard J.
Affiliation:
Quantum Theory Project, University of Florida
Publication:
Radiation Effects and Defects in Solids, Volume 145, p. 191-211
Publication Date:
00/1998
Origin:
APS
Keywords:
electronic stopping, induced currents, energy deposition, jellium model
Abstract Copyright:
(C) Overseas Publishers Association Amsterdam B.V.
Bibliographic Code:
1998REDS..145..191M

Abstract

The polarization currents and the mean velocities of the electrons that are excited by a moving ion in the homogeneous electron gas - represented by the Lindhard dielectric function - are shown for ion velocities below and above the "critical" threshold for plaxmon excitations. The deposited power density is derived from the standard formula of the electronic energy loss in the dielectric formulation by a partial integration; it depends exponentially on the distance to the ion track.
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Database: Astronomy
Physics
arXiv e-prints