Normal state properties of an interacting large polaron gas

被引：0
|
作者：
G. De Filippis
V. Cataudella
G. Iadonisi
机构：
[1] Dipartimento di Scienze Fisiche,
[2] Università di Salerno,undefined
[3] 84081 Baronissi (Salerno),undefined
[4] Italy,undefined
[5] Dipartimento di Scienze Fisiche,undefined
[6] Università di Napoli 80125 Napoli,undefined
[7] Italy,undefined
来源：
The European Physical Journal B - Condensed Matter and Complex Systems | 1999年 / 8卷
关键词：
PACS. 71.38.+i Polarons and electron phonon interactions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A simple approach to the many-polaron problem for both weak and intermediate electron-phonon coupling and valid for densities much smaller than those typical of metals is presented. Within the model the total energy, the collective modes and the single-particle properties are studied and compared with the available theories. It is shown the occurrence of a charge density wave instability in the intermediate coupling regime.
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页码：339 / 351
页数：12
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