Doping-dependence of nodal quasiparticle properties in high-$T_{\mathrm{c}}$ cuprates studied by laser-excited angle-resolved photoemission spectroscopy

K. Ishizaka, T. Kiss, S. Izumi +11

We investigate the doping dependent low energy, low temperature ($T$ = 5 K) properties of nodal quasiparticles in the d-wave superconductor Bi${}_{2.1}$Sr${}_{1.9}$CaCu${}_2$O${}_{8+\delta }$ (B…