Anomalous doping evolution of nodal dispersion revealed by <i>in situ</i> ARPES on continuously doped cuprates
Anomalous doping evolution of nodal dispersion revealed by <i>in situ</i> ARPES on continuously doped cuprates
We study the systematic doping evolution of nodal dispersions by in situ angle-resolved photoemission spectroscopy on the continuously doped surface of a high-temperature superconductor ${\mathrm{Bi}}_{2}{\mathrm{Sr}}_{2}{\mathrm{CaCu}}_{2}{\mathrm{O}}_{8+x}$ and reveal that the nodal dispersion has three fundamentally different segments separated by two kinks, located at \ensuremath{\sim}10 meV and roughly 70 meV, respectively. These …