Modification of Born impurity scattering near the surface of d-wave superconductors and influence of external magnetic field

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dc.creatorZare, A.
dc.creatorMarkowsky, A.
dc.creatorDahm, T.
dc.creatorSchopohl, N.
dc.date2008-07-28
dc.date2008-09-11
dc.date.accessioned2026-07-07T10:05:10Z
dc.date.available2026-07-07T10:05:10Z
dc.descriptionWe study the influence of Born impurity scattering on the zero-energy Andreev bound states near the surface of a d-wave superconductor with and without an externally applied magnetic field. Without an external magnetic field we show that the effect of Born impurity scattering is stronger at the surface than in the bulk. In the presence of an external magnetic field the splitting of the zero-energy Andreev bound states is shown to have a nonmonotonous temperature dependence. Born impurity scattering does not wash out the peak splitting, but instead the peak splitting is shown to be quite robust against impurities. We also show that a nonzero gap renormalization appears near the surface.
dc.description9 pages, 17 figures; minor changes; new figure 11; accepted for publication in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/0807.4453
dc.identifierhttp://arxiv.org/abs/0807.4453
dc.identifierPhys. Rev. B 78, 104524 (2008)
dc.identifierdoi:10.1103/PhysRevB.78.104524
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/169930
dc.subjectSuperconductivity
dc.titleModification of Born impurity scattering near the surface of d-wave superconductors and influence of external magnetic field
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