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Published in:
2006 | OriginalPaper | Chapter
Evidence for d-Wave Order Parameter Symmetry in Bi-2212 from Experiments on Interlayer Tunneling
Author : Yu I. Latyshev
Published in: Symmetry and Heterogeneity in High Temperature Superconductors
Publisher: Springer Netherlands
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We consider three group experiments on interlayer tunneling on Bi-2212 mesa-type structures, fabricated by focused ion beam (FIB) technique from Bi-2212 single crystal whiskers, pointing out to the d-wave type of the order parameter (OP) in this compound. We specify the experiments on low temperature interlayer quasiparticle conductivity and magneto-conductivity on small Bi-2212 mesas and the experiments on Josephson flux-flow dissipation on long Bi-2212 mesas. All the results are shown to be consistent with a dwave Fermi-liquid model with a significant contribution of coherent interlayer tunneling.