Excitation of Lattice Motion by Interaction with Large Amplitude Electron Plasma Oscillations

H.F. Kammer
Eberhard R. Hilf   Phone: +49-(0)441-798-2543   Fax: +49-(0)441-798-3201

excitation.of.lattice.motion.pdf (for internal use only!)
excitation.of.lattice.motion.prep.pdf (PrePrint)

Date: 19851105

Article: published in Solid State Communications, Vol 58, No 7, pp. 465-468, 1986

Fast heavy-ion bombardment on solids in which a ''free-electron''-limit for high
excitations exists, generates plasma oscillations with very large amplitudes,
as found in no other process. This should uniquely enable the observation of
their coupling with other degrees of freedom such as phonons. The frequency
spectrum of phonons excited by second-order coupling with plasmons and the
respective energy loss to the lattice are calculated, using a simple
two-fluid-model and the Lagrangian formalism as appropriate for high coherent

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Metadata by Thomas Severiens on 21 December 1998
Supporting work done by Sandra Valeska Bergmann.