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Tunneling into Current-Carrying Surface States of High T$_c$ Superconductors

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arxiv cond-mat/9705260 v1 pith:S3KM66PF submitted 1997-05-26 cond-mat.supr-con

M. Fogelström (Northwestern University) , D. Rainer (Universität Bayreuth) , J. A. Sauls (Northwestern University) This is my paper · ORCID
classification cond-mat.supr-con
keywords surfacefieldboundconductancecurrentsd-wavehighmodel
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Theoretical results for the ab-plane tunneling conductance in the d-wave model for high Tc superconductors are presented. The d-wave model predicts surface bound states below the maximum gap. A sub-dominant order parameter, stabilized by the surface, leads to a splitting of the zero-bias conductance peak (ZBCP) in zero external field and to spontaneous surface currents. In a magnetic field screening currents shift the quasiparticle bound state spectrum and lead to a voltage splitting of the ZBCP that is linear in H at low fields, and saturates at a pairbreaking critical field of order 3 Tesla. Comparisons with recent experimental results on Cu/YBCO junctions are presented.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 522 citations worldwide. Full citation record

  1. Probing Cooper pair momentum by quasiparticle steering with planar Josephson junctions

    cond-mat.mes-hall 2026-07 accept novelty 6.0 of 10

    Quasiparticles eject from ballistic planar Josephson junctions at a phase-controlled angle scaling as √(Δ/μ), providing a kinematic probe of condensate momentum transfer.

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