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ELECTRONIC RAMAN-SCATTERING AS A PROBE OF ANISOTROPIC ELECTRON PAIRING

被引：6
作者：
DEVEREAUX, TP
机构：
[1] Department of Physics, University of California, Davis, 95616, CA
来源：
JOURNAL OF SUPERCONDUCTIVITY | 1995年 / 8卷 / 04期
关键词：
RAMAN SCATTERING; POLARIZATION SYMMETRY; D-WAVE; IMPURITY SCATTERING;
D O I：
10.1007/BF00722820
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A theory for the electronic contribution to Raman scattering in anisotropic superconductors is presented. It is shown that Raman scattering can provide a wealth of polarization-(symmetry-) dependent information which probes the detailed angular dependence of the energy gap. Using a model band structure, the symmetry-dependent Raman spectra are calculated for d(x2-y2) pairing and compared to the data taken on Bi2Sr2CaCu2O8. Favorable agreement with the symmetry-dependent electronic spectra is shown. Further, the impurity dependence of theory is calculated, which provides an unique test of d(x2-y2) pairing.
引用
收藏
页码：421 / 424
页数：4
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