Unconventional behavior of the scattering times in high-T-c cuprates

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作者：

Terasaki, I

Sato, Y

Tajima, S

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JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 1997年 / 31卷 / 01期

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O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured the anisotropic charge dynamics in the 90-K phase of YBa2Cu3Oy, and have found that the out-of-plane scattering time is more than five times shorter than the in-plane scattering time. Another anomaly is the rapid enhancement of the in-plane scattering time below T-c. Our magneto-thermopower measurement has revealed that the enhancement also occurs in the mixed state. These two features are never observed in other layered superconductors, such as organic BEDT salts or Sr2RuO4; thus, they can be direct evidence for the non-Fermi-liquid behavior of high-T-c cuprates.

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页码：23 / 26

页数：4

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