Pairing symmetry in cuprate superconductors

CC Tsuei, JR Kirtley - Reviews of Modern Physics, 2000 - APS
Pairing symmetry in the cuprate superconductors is an important and controversial topic.
The recent development of phase-sensitive tests, combined with the refinement of several …

Andreev bound states in high-Tc superconductingjunctions

T Löfwander, VS Shumeiko… - … Science and Technology, 2001 - iopscience.iop.org
The formation of bound states at surfaces of materials with an energy gap in the bulk
electron spectrum is a well known physical phenomenon. At superconductor surfaces …

Directional Tunneling and Andreev Reflection on Single Crystals: Predominance of -Wave Pairing Symmetry Verified with the Generalized Blonder …

JYT Wei, NC Yeh, DF Garrigus, M Strasik - Physical review letters, 1998 - APS
We report directional tunneling and point-contact spectroscopy measurements on the
{100},{110}, and {001} faces of YBa 2 Cu 3 O 7− δ single crystals at 4.2 K. The conductance …

Tunneling into Current-Carrying Surface States of High- Superconductors

M Fogelström, D Rainer, JA Sauls - Physical review letters, 1997 - APS
Theoretical results for the ab-plane tunneling conductance in the d-wave model for high-T c
superconductors are presented. The d-wave model predicts surface bound states below the …

Observation of Surface-Induced Broken Time-Reversal Symmetry in Tunnel Junctions

M Covington, M Aprili, E Paraoanu, LH Greene, F Xu… - Physical review …, 1997 - APS
Data from ab-oriented YBa 2 Cu 3 O 7/I/Cu tunnel junctions are presented. Self-assembled
monolayers form the insulating tunnel barrier, I. The YBa 2 Cu 3 O 7 features in the tunneling …

Quasiparticle States near the Surface and the Domain Wall in a p x ± i p y-Wave Superconductor

M Matsumoto, M Sigrist - Journal of the Physical Society of Japan, 1999 - journals.jps.jp
The electronic states near a surface or a domain wall in the p-wave superconductor are
studied for the order parameter of the form px±ip y-wave, which is a unitary odd-parity state …

Charge-and spin-density waves in existing superconductors: competition between Cooper pairing and Peierls or excitonic instabilities

AM Gabovich, AI Voitenko, M Ausloos - Physics Reports, 2002 - Elsevier
This review is an up-to-date snapshot of the current situation in studies of materials with
competing electron spectrum instabilities, namely Cooper pairing, on the one hand, and …

Distribution functions in nonequilibrium theory of superconductivity and Andreev spectroscopy in unconventional superconductors

M Eschrig - Physical Review B, 2000 - APS
We develop a theoretical formulation of nonequilibrium superconducting phenomena,
including singlet and triplet pairing, which is especially well suited for spatially …

Spin-polarized quasiparticle transport in ferromagnet–-wave-superconductor junctions with a interface

JX Zhu, B Friedman, CS Ting - Physical Review B, 1999 - APS
Within a scattering framework, a theoretical study is presented for the spin-polarized
quasiparticle transport in ferromagnet–d-wave-superconductor junctions with {110} …

Observation of bound surface states in grain-boundary junctions of high-temperature superconductors

L Alff, A Beck, R Gross, A Marx, S Kleefisch, T Bauch… - Physical Review B, 1998 - APS
We have performed a detailed study of the tunneling spectra of bicrystal grain-boundary
junctions (GBJ's) fabricated from the high-temperature superconductors (HTS) YBa 2 Cu 3 O …