Optical conductivity in orthorhombic d-wave superconductors

被引:9
|
作者
Schürrer, I [1 ]
Schachinger, E
Carbotte, JP
机构
[1] Graz Tech Univ, Inst Theoret Phys, A-8010 Graz, Austria
[2] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
关键词
D O I
10.1023/A:1021879520432
中图分类号
O59 [应用物理学];
学科分类号
摘要
The large anisotropies observed in the in-plane transport properties of untwinned single crystals of YBa2Cu3O6.95 reside in the orthorhombic nature of its band structure which includes CuO chains as well as CuO2 planes. An infinite band model with distinct effective mass in a and b-direction is used to study the a.c. conductivity of a d-wave BCS superconductor. A subdominant s-wave admixture is also included in the gap because both symmetries belong to the same irreducible representation in an orthorhombic system. Parameters are fit to experimental data.
引用
收藏
页码:251 / 280
页数:30
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