科研之友
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摘要
An angle-resolved photoemission study of the scattering rate in the superconducting phase of the high-temperature superconductor La(2-x)Sr(x)CuO(4) with x=0.145 and x=0.17, as a function of binding energy and momentum, is presented. We observe that the scattering rate scales linearly with binding energy up to the high-energy scale E(1)similar to 0.4 eV. The scattering rate is found to be strongly anisotropic, with a minimum along the (0,0)-(pi,pi) direction. A possible connection to a quantum-critical point is discussed.
- 出版日期2008-11
