EXPERIMENTAL CONSTRAINTS ON THE PAIRING STATE OF THE CUPRATE SUPERCONDUCTORS: AN EMERGING CONSENSUS

The following sections are included:

• Introduction

• Basic Assumptions: Pairing and ODLRO

• Mixing of Different Symmetries: Thermodynamic Constraints

• Classification of Pairing States in the Cuprates

  • POSSIBLE PAIRING STATES IN A PLANE SQUARE LATTICE

  • EFFECTS OF ORTHORHOMBICITY

  • BILAYER AND TRILAYER STRUCTURES

  • THE ENERGY GAP

• Evidence for a Sign Change in the Gap Function

  • ELECTROMAGNETIC PENETRATION DEPTH

  • ANGLE RESOLVED PHOTOEMISSION

  • NEUTRON SCATTERING

  • RAMAN SCATTERING

• Quantum Phase Interference: General Principles

• Quantum Phase Interference: Experiments

• Effects of Impurities

  • DOPING STUDIES

  • IRRADIATION STUDIES

• Conclusions

• ACKNOWLEDGEMENTS

• REFERENCES