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Scaling analysis of normal-state properties of high-temperature superconductors

H. G. Luo, Y. H. Su, T. Xiang

DOI 10.1103/PhysRevB.77.014529 · Physical Review B

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Abstract

We propose a model-independent scaling method to study the physical properties of high-temperature superconductors in the normal state. We have analyzed the experimental data of the c-axis resistivity, the in-plane resistivity, the Hall coefficient, the magnetic susceptibility, the spin-lattice relaxation rate, and the thermoelectric power using this method. It is shown that all these physical quantities exhibit good scaling behaviors, controlled purely by the pseudogap energy scale in the normal state. The doping dependence of the pseudogap obtained from this scaling analysis agrees with the experimental results of angle-resolved photoemission and other measurements. It sheds light on the understanding of the basic electronic structure of high-Tc oxides.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O6+δ

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—Pressure not reportedunknown
Y0.8Ca0.2Ba2Cu3O6+δ

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—Pressure not reportedunknown
YBa2Cu4O8

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—Pressure not reportedunknown
Bi2Sr2CaCu2O8+δ

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—Pressure not reportedunknown
Bi2Sr2Ca2Cu3O10+δ

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—Pressure not reportedunknown
La2-xSr2-xCuO4

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—Pressure not reportedunknown
Bi2Sr2-xLaxCuO6+δ

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—Pressure not reportedunknown
HgBa2CuO4

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—Pressure not reportedunknown
TlSr2CaCu2O7-δ

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—Pressure not reportedunknown

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