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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
Source PublicationPHYSICAL REVIEW B
KeywordTunneling Spectroscopy Reflections States Gap
AbstractIn 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.
2007
ISSN1098-0121
Volume76Issue:22Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5620
CollectionSCI期刊论文
Corresponding AuthorLiu, CS , Yanshan Univ, Dept Phys, Qinhuangdao, Peoples R China
Recommended Citation
GB/T 7714
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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