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Absence of the zero bias peak in vortex tunneling spectra of high-temperature superconductors
Wu, CJ; Xiang, T; Su, ZB; Wu, CJ , Peking Univ, Dept Phys, Beijing 100087, Peoples R China.
2000
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号62期号:21页码:14427-14430
摘要The c-axis tunneling matrix of high-T-c superconductors is shown to depend strongly on the in-plane momentum of electrons and vanish along the four nodal lines of the d(x2-y2)-wave energy gap. This anisotropic tunneling matrix suppresses completely the contribution of the most extended quasiparticles in the vortex core to the c-axis tunneling current and leads to a spectrum similar to that of a nodeless superconductor. Our results give a natural explanation of the absence of the zero-bias peak as well. as other features observed in the vortex tunneling spectra of high-T-c cuprates.
部门归属Peking Univ, Dept Phys, Beijing 100087, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词D-wave Superconductors Quasi-particle Spectra Superfluid Response Yba2cu3o7-delta d(X2-y2)
学科领域Physics
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收录类别SCI
WOS记录号WOS:000165717200095
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被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12870
专题理论物理所1978-2010年知识产出
通讯作者Wu, CJ , Peking Univ, Dept Phys, Beijing 100087, Peoples R China.
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Wu, CJ,Xiang, T,Su, ZB,et al. Absence of the zero bias peak in vortex tunneling spectra of high-temperature superconductors[J]. PHYSICAL REVIEW B,2000,62(21):14427-14430.
APA Wu, CJ,Xiang, T,Su, ZB,&Wu, CJ , Peking Univ, Dept Phys, Beijing 100087, Peoples R China..(2000).Absence of the zero bias peak in vortex tunneling spectra of high-temperature superconductors.PHYSICAL REVIEW B,62(21),14427-14430.
MLA Wu, CJ,et al."Absence of the zero bias peak in vortex tunneling spectra of high-temperature superconductors".PHYSICAL REVIEW B 62.21(2000):14427-14430.
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