Fluctuations in coupled electron-phonon system and Raman light scattering

被引：8

作者：

Falkovsky, LA

Klama, S

机构：

[1] POLISH ACAD SCI,INST MOLEC PHYS,PL-60179 POZNAN,POLAND

[2] RUSSIAN ACAD SCI,LD LANDAU THEORET PHYS INST,MOSCOW 117334,RUSSIA

来源：

PHYSICA C | 1996年 / 264卷 / 1-2期

关键词：

Raman scattering; Fano resonance; surface effect;

D O I：

10.1016/0921-4534(96)00275-4

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Raman light scattering with excitation of electron-hole continuum and a phonon is investigated theoretically. The effects of a surface are studied. The screening of the electron-photon coupling and of the deformation potential as a result of the Coulomb interaction of the electrons is taken into account, Two limiting cases of a low and large spatial dispersion of charge transfer fluctuation are considered. The parameters of the 340 cm(-1) resonance line and the electron-phonon constant in superconducting YBaCuO are estimated by comparing with experimental data taken from the literature.

引用

页码：1 / 10

页数：10

共 13 条

[1]

ABRIKOSOV AA, 1961, ZH EKSP TEOR FIZ, V13, P179

[2]

Abrikovsov A. A., 1974, ZH EKSP TEOR FIZ+, V38, P417

[3] INVESTIGATION OF THE TEMPERATURE-DEPENDENCE OF ELECTRON AND PHONON RAMAN-SCATTERING IN SINGLE-CRYSTAL YBA2CU3O6.952 [J].