Doping and energy dependent microwave conductivity of kinetic energy driven superconductors with extended impurities

Abstract

Within the framework of the kinetic energy driven superconducting mechanism, the effect of the extended impurity scatterers on the quasiparticle transport of cuprate superconductors in the superconducting state is studied based on the nodal approximation of the quasiparticle excitations and scattering processes. It is shown that there is a cusplike shape of the energy dependent microwave conductivity spectrum. At low temperatures, the microwave conductivity increases linearly with increasing temperatures, and reaches a maximum at intermediate temperature, then decreases with increasing temperatures at high temperatures. In contrast with the dome shape of the doping dependent superconducting gap parameter, the minimum microwave conductivity occurs around the optimal doping, and then increases in both underdoped and overdoped regimes.

arXiv comment9 pages, 3 figures

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Cited by in corpus (8)

• Two gaps with one energy scale in cuprate superconductors
• Out-of-plane impurities induced the deviation from the monotonic d-wave superconducting gap in cuprate superconductors
• Electromagnetic response in kinetic energy driven cuprate superconductors: Linear response approach
• Anisotropic microwave conductivity of cuprate superconductors in the presence of CuO chain induced impurities
• Influence of impurities on electronic structure in cuprate superconductors
• Extinction of quasiparticle scattering interference in cuprate superconductors
• Pseudogap and its connection to particle-hole asymmetry electronic state and Fermi arcs in cuprate superconductors
• Microwave conductivity due to impurity scattering in cuprate superconductors