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题名: Absence of the zero bias peak in vortex tunneling spectra of high-temperature superconductors
作者: Wu, CJ ;  Xiang, T ;  Su, ZB
刊名: PHYSICAL REVIEW B
出版日期: 2000
卷号: 62, 期号:21, 页码:14427-14430
关键词: D-WAVE SUPERCONDUCTORS ;  QUASI-PARTICLE SPECTRA ;  SUPERFLUID RESPONSE ;  YBA2CU3O7-DELTA ;  D(X2-Y2)
学科分类: Physics
通讯作者: Wu, CJ , Peking Univ, Dept Phys, Beijing 100087, Peoples R China.
部门归属: Peking Univ, Dept Phys, Beijing 100087, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000165717200095
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12870
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Wu, CJ,Xiang, T,Su, ZB. Absence of the zero bias peak in vortex tunneling spectra of high-temperature superconductors[J]. PHYSICAL REVIEW B,2000,62(21):14427-14430.
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