Identification of a New Form of Electron Coupling in Bi2Sr2CaCu2O8 Superconductor by Laser-Based Angle-Resolved Photoemission

Wentao Zhang, Guodong Liu, Lin Zhao +17

Laser-based angle-resolved photoemission measurements with super-high resolution have been carried out on an optimally-doped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_8$ high temperature superconduct…