INFRARED REFLECTIVITY OF HIGH-TC SUPERCONDUCTORS

被引：2
|
作者：
RUVALDS, J
VIROSZTEK, A
机构：
[1] Physics Department, University of Virginia, Charlottesville, Virginia
来源：
PHYSICA B | 1990年 / 165卷
关键词：
D O I：
10.1016/S0921-4526(09)80219-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The unusual quasilinear drop in the reflectivity as a function of frequency ω in YBa2CU3O7 is explained in terms of Fermi surface nesting (nFL theory) accompanied by electron-electron scattering of intermediate strength. The Drude dielectric function acquires a calculated damping {fx017-.FL} = ㆱ Max (2T,| ω| ) and effective mass {fx02mn*FL} (α, T, ω) which fit the reflectivity data well with α = 0.9 over a frequency range up to 8000 cm-1 (1 eV). © 1990, Elsevier Science Publishers B.V. (North-Holland). All rights reserved.
引用
收藏
页码：1267 / 1268
页数：2
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