Dichotomy of photoinduced quasiparticle on CuO2 planes of YBa2 Cu3 O7 directly revealed by femtosecond polarization spectroscopy

Chih-Wei Luo*, L. Y. Chen, Y. H. Lee, Kaung-Hsiung Wu, Jenh-Yih Juang, T. M. Uen, Jiunn-Yuan Lin, Y. S. Gou, T. Kobayashi

*此作品的通信作者

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

The dichotomy of photoinduced quasiparticle dynamics in the anisotropic high Tc superconductors (YBa2 Cu3 O7) is revealed by using the orientation-resolved femtosecond reflection spectroscopy in the specially designed thin films. The transient reflectivity ΔRR along the ab diagonal and b axis are totally different in the slow relaxation process which relates to the opening of the superconducting gap. In addition, the distribution of the temperature evolution of ΔRR on the CuO2 planes of YBa2 Cu3 O7 may indicate the d -wave symmetry of the superconducting gap in high Tc superconductors.

原文English
文章編號033909
頁數3
期刊Journal of Applied Physics
102
發行號3
DOIs
出版狀態Published - 6 8月 2007

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