https://doi.org/10.1007/s100510050970
Optical properties of an interacting large polaron gas
1
INFM and Dipartimento di Scienze Fisiche,
Università di Napoli, 80125 Napoli, Italy
2
INFM and Dipartimento di Scienze Fisiche,
Università di Salerno, 84081 Baronissi (Salerno), Italy
Corresponding author: a vit@na.infn.it
Received:
27
January
1999
Published online: 15 November 1999
The normal state conductivity, 
, of a
system of interacting large polarons is calculated within the Random
Phase approximation and some numerical results are presented.
The behaviour of the
optical absorption as a function of the charge carrier density and of the
temperature is analyzed for different values of the electron-phonon
coupling constant.
It is shown that exhibits features similar to those observed
in the infrared spectra of the cuprates.
PACS: 71.38.+i – Polarons and electron-phonon interactions
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 1999
