Non-equilibrium quasiparticle dynamics in single crystals of YBCO ortho II

被引：2
|
作者：
Gedik, N
Orenstein, J
Liang, RX
Bonn, DA
Hardy, W
机构：
[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[2] Lawrence Berkeley Natl Lab, Div Sci Mat, Berkeley, CA 94720 USA
[3] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z4, Canada
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2004年 / 408卷
关键词：
pump probe spectroscopy; superconductivity; YBCO; ortho II;
D O I：
10.1016/j.physc.2004.03.113
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report measurements of the photoinduced change in reflectivity of untwinned single crystals of YBa2Cu3O6.5. The decay rate of the transient change in reflectivity was found to depend on the laser intensity and temperature strongly. By studying the intensity dependence at low temperatures we obtained the quasiparticle scattering coefficient from which we estimate the electron-phonon coupling constant. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：690 / 691
页数：2
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