Electronic Resource
Springer
The European physical journal
69 (1987), S. 251-255
ISSN:
1434-6036
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The dispersion and line width of the longitudinal collective modes of a two-component degenerate Fermi-system (T=0) are obtained from the zeros of the dielectric function ε(q,ω). The basis of our theory are kinetic equations for the distribution function including elastic electron-impurity scattering. Our results area) there is only one acoustic branchb) this mode is overdamped forq→0, andc) acoustic plasmons contribute only little to the energy loss-function (or the screened electron-ion and electron-electron potential).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01307282
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