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首页> 外文期刊>Physica, C. Superconductivity and its applications >An alternative interpretation of the magnetic penetration depth data on Pr2-xCexCuO4-y and La2-xCexCuO4-y
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An alternative interpretation of the magnetic penetration depth data on Pr2-xCexCuO4-y and La2-xCexCuO4-y

机译:Pr2-xCexCuO4-y和La2-xCexCuO4-y上的磁穿透深度数据的另一种解释

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摘要

We have revisited the magnetic penetration depth data on the electron-doped cuprates, Pr2-xCexCuO4-y and La2-xCexCuO4-y. It is proposed that the transition between nodal-gap-like and nodeless-gap-like behavior upon electron-doping [e.g., see M. Kim et al., Phys. Rev. Lett. 91 (2003) 87001] can be due to a scattering of the quasiparticles in the d-wave superconducting state by an incipient or weak antiferromagnetic spin-density-wave. This conjecture is supported by the inelastic neutron scattering and angle-resolved photoemission experiments on some closely related electron-doped cuprates. (C) 2004 Elsevier B.V. All rights reserved.
机译:我们已经重新研究了掺杂电子的铜酸盐Pr2-xCexCuO4-y和La2-xCexCuO4-y的磁渗透深度数据。提出了在电子掺杂时节点间隙样行为和无节点间隙样行为之间的过渡[例如,参见M.Kim等人,Phys。牧师91(2003)87001]可能是由于准粒子在d波超导状态下被初始或弱反铁磁自旋密度波散射所致。非弹性中子散射和一些紧密相关的电子掺杂铜酸盐的角度分辨光发射实验支持了这一推测。 (C)2004 Elsevier B.V.保留所有权利。

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