Low-frequency crossover of the fractional power-law conductivity in SrRuO3

被引：73

作者：

Dodge, JS ^{[1
]}

Weber, CP

Corson, J

Orenstein, J

Schlesinger, Z

Reiner, JW

Beasley, MR

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA

[3] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA

[4] Stanford Univ, Edward L Ginzton Lab, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.85.4932

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We combine the results of terahertz time-domain spectroscopy with far-infrared transmission and reflectivity to obtain the conductivity of SrRuO3 over an unprecedented continuous range in frequency, allowing us to characterize the approach to zero frequency as a function of temperature. We show that the conductivity follows a simple phenomenological form, with an analytic structure fundamentally different from that predicted by the standard theory of metals.

引用

页码：4932 / 4935

页数：4

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