Comparison of the in- and out-of-plane charge dynamics in YBa2Cu3O6.95

Article

关键词: INELASTIC-SCATTERING RATE;    CONDUCTIVITY SUM-RULE;    OPTICAL CONDUCTIVITY;    NORMAL-STATE;    THERMAL-CONDUCTIVITY;    PENETRATION DEPTH;    SPIN FLUCTUATIONS;    TEMPERATURE;    ENERGY;    SUPERCONDUCTORS;   

DOI  :  10.1103/PhysRevB.64.094501

来源: SCIE

【 摘 要 】

The in-plane optical conductivity has been successfully employed to obtain information about the coupling of the charge carriers to the spin degrees of freedom in the high-T-c oxides. We investigate how this inelastic scattering affects the out-of-plane charge dynamics. We consider both coherent (in-plane momentum is conserved) and incoherent (no momentum conservation) c-axis transfers and find that the two cases give quite a distinct c-axis conductivity as a function of energy omega. Comparison of our theoretical calculations with the available data does not allow a definitive conclusion, but a momentum dependent coherent matrix element characteristic of the CuO2 chemistry is favored with the possibility of a subdominant incoherent contribution.

【 授权许可】

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