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Theory of point-contact spectroscopy in electron-doped cuprate superconductors
Liu, C. S.; Wu, W. C.; Liu, CS , Yanshan Univ, Dept Phys, Qinhuangdao, Peoples R China
2007
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号76期号:22页码:-
摘要In the hole-doped d(x2-y2)-wave cuprate superconductors, due to the midgap surface state (MSS), a zero-bias conductance peak (ZBCP) is widely observed in [110] interface point-contact spectroscopy (PCS). However, a ZBCP of this geometry is rarely observed in the electron-doped cuprates, even though their pairing symmetry is still likely of the d(x2-y2) wave type. We argue that this is due to the coexistence of antiferromagnetic (AF) and superconducting orders. Generalizing the Blonder-Tinkham-Klapwijk formula to include an AF coupling, it is shown explicitly that the MSS is destroyed by the AF order. The calculated PCS is in good agreement with the experiments.
部门归属[Liu, CS; Wu, WC] Natl Taiwan Normal Univ, Dept Phys, Taipei 11650, Taiwan; [Liu, CS] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Tunneling Spectroscopy Reflections States Gap
学科领域Physics
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收录类别SCI
WOS记录号WOS:000251986400016
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被引频次:5[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/311006/5620
专题理论物理所1978-2010年知识产出
通讯作者Liu, CS , Yanshan Univ, Dept Phys, Qinhuangdao, Peoples R China
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Liu, C. S.,Wu, W. C.,Liu, CS , Yanshan Univ, Dept Phys, Qinhuangdao, Peoples R China. Theory of point-contact spectroscopy in electron-doped cuprate superconductors[J]. PHYSICAL REVIEW B,2007,76(22):-.
APA Liu, C. S.,Wu, W. C.,&Liu, CS , Yanshan Univ, Dept Phys, Qinhuangdao, Peoples R China.(2007).Theory of point-contact spectroscopy in electron-doped cuprate superconductors.PHYSICAL REVIEW B,76(22),-.
MLA Liu, C. S.,et al."Theory of point-contact spectroscopy in electron-doped cuprate superconductors".PHYSICAL REVIEW B 76.22(2007):-.
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