Nodal quasiparticle lifetime in the superconducting state of Bi2Sr2CaCu2O8+δ

被引：99

作者：

Corson, J ^{[1
]}

Orenstein, J

Oh, S

O'Donnell, J

Eckstein, JN

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA

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

[3] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.85.2569

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured the complex conductivity sigma of a Bi2Sr2CaCu2O8+delta thin film between 0.2 and 0.8 THz. We find sigma in the superconducting state to be well described as the sum of contributions from quasiparticles, condensate, and order parameter fluctuations which draw 30% of the spectral weight from decomposition yields a quasiparticle scattering rate on the the condensate. Hn analysts based on this order of k(B)T/h for temperatures below T-c.

引用

页码：2569 / 2572

页数：4

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