Universal scaling of length, time, and energy for cuprate superconductors based on photoemission measurements of Bi2Sr2CaCu2O8+δ

被引：7
作者：
Rameau, J. D. [1 ]
Pan, Z-H. [1 ]
Yang, H-B. [1 ]
Gu, G. D. [1 ]
Johnson, P. D. [1 ]
机构：
[1] Brookhaven Natl Lab, Upton, NY 11973 USA
来源：
PHYSICAL REVIEW B | 2011年 / 84卷 / 18期
关键词：
HIGH-TEMPERATURE SUPERCONDUCTORS; NORMAL-STATE; T-C; SCATTERING;
D O I：
10.1103/PhysRevB.84.180511
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A microscopic scaling relation linking the normal and superconducting states of the cuprates in the presence of a pseudogap is presented using angle-resolved photoemission spectroscopy. This scaling relation, complementary to the bulk universal scaling relation embodied by Homes' law, explicitly connects the momentum-dependent amplitude of the d-wave superconducting order parameter at T similar to 0 to quasiparticle scattering mechanisms operative at T greater than or similar to T-c. The form of the scaling is proposed to be a consequence of the marginal Fermi-liquid phenomenology and the inherently strong dissipation of the normal pseudogap state of the cuprates.
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页数：4
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