Spin resonance and high-frequency optical properties of the cuprates

被引：8
|
作者：
Abanov, A
Chubukov, AV
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[2] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
来源：
PHYSICAL REVIEW B | 2004年 / 70卷 / 10期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevB.70.100504
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We argue that recently observed superconductivity-induced blue shift of the plasma frequency deltaomega(pl) in Bi2Sr2CaCu2O8+delta [Molegraaf , Science 295, 2239 (2002)] is related to the change in the integrated dynamical structure factor associated with the development of the spin resonance below T-c. We show that the magnitude of deltaomega(pl) is consistent with the small integrated spectral weight of the resonance, and its temperature dependences closely follow that of the spin-resonance peak. We also discuss the differential optical integral for the conductivity.
引用
收藏
页码：100504 / 1
页数：4
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