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ZhETF, Vol. 124, No. 4, p. 886 (October 2003)
(English translation - JETP, Vol. 97, No. 4, p. 794, October 2003 available online at www.springer.com )

ELECTRON-PHONON INTERACTION AND COUPLED PHONON-PLASMON MODES
Falkovsky L.A.

Received: March 24, 2003

PACS: 63.20.Dj, 63.20.Kr, 71.38.-k, 72.30.+q, 78.30.-j

DJVU (160.9K) PDF (522.3K)

The theory of Raman scattering by the coupled electron-phonon system in metals and heavily doped semiconductors is developed with the Coulomb screening and the electron-phonon deformation interaction taken into account. The Boltzmann equation for carriers is applied. Phonon frequencies and optic coupling constants are renormalized due to interactions with carriers. The k-dependent semiclassical dielectric function is involved instead of the Lindhard-Mermin expression. The results of calculations are presented for various values of the carrier concentration and the electron-phonon coupling constant.

 
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