Energy loss of charged particles moving parallel to a magnesium surface: Ab initio calculations

M. G. Vergniory, V. M. Silkin, I. G. Gurtubay, and J. M. Pitarke
Phys. Rev. B 78, 155428 – Published 27 October 2008

Abstract

We present ab initio calculations of the electronic energy loss of charged particles moving outside a magnesium surface from a realistic description of the one-electron band structure and a full treatment of the dynamical electronic response of valence electrons. Our results indicate that the finite width of the plasmon resonance, which is mainly due to the presence of band-structure effects, strongly modifies the asymptotic behavior of the energy loss at large distances from the surface. This effect is relevant for the understanding of the interaction between charged particles and the internal surface of microcapillaries.

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  • Received 28 July 2008

DOI:https://doi.org/10.1103/PhysRevB.78.155428

©2008 American Physical Society

Authors & Affiliations

M. G. Vergniory1,2, V. M. Silkin2,3, I. G. Gurtubay1,2, and J. M. Pitarke1,4

  • 1Materia Kondentsatuaren Fisika Saila, Euskal Herriko Unibertsitatea, 644 Posta kutxatila, E-48080 Bilbo, Basque Country, Spain
  • 2Donostia International Physics Center (DIPC), Manuel de Lardizabal Pasealekua, E-20018 Donostia, Basque Country, Spain
  • 3Materialen Fisika Saila, Euskal Herriko Unibertsitatea, 1072 Posta kutxatila, E-20080 Donostia, Basque Country, Spain
  • 4CIC nanoGUNE Consolider and Centro Física Materiales CSIC-UPV/EHU, Mikeletegi Pasealekua 56, E-20009 Donostia, Basque Country, Spain

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Issue

Vol. 78, Iss. 15 — 15 October 2008

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