Universal c-axis conductivity of high- oxides in the superconducting state
arXiv:cond-mat/0001443 · doi:10.1103/PhysRevB.63.024506
Abstract
The anisotropy in the temperature dependence of the in-plane and c-axis conductivities of high-T_c cuprates in the superconducting state is shown to be consistent with a strong in-plane momentum dependence of both the quasiparticle scattering rate and the interlayer hopping integral. Applying the cold spot scattering model recently proposed by Ioffe and Millis (Phys. Rev. B {\bf 58}, 11631 (1998)) to the superconducting state, we find that the c-axis conductivity varies approximately as T^3 in an intermediate temperature regime, in good agreement with the experimental result for optimally doped YBa_2Cu_3O_{7-x} and Bi_2Sr_2CaCu_2O_{8+x}.
4 pages, 2 figure, Phys Rev B accepted
References in corpus (4)
- Temperature Dependent Scattering Rates at the Fermi Surface of Optimally Doped Bi 2212
- Interlayer Transport of Quasiparticles and Cooper pairs in Bi2Sr2CaCu2O8+y Superconductors
- Anisotropy of the optical conductivity of high Tc cuprates
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- Optical symmetries and anisotropic transport in high-Tc superconductors
- Manifestations of spin-orbit coupling in a cuprate superconductor
- A simple model for in- and out-of-plane resistivities of hole doped cuprates
- C-axis optical conductivity from the Yang-Rice-Zhang model of the underdoped cuprates