Nodal Landau Fermi-Liquid Quasiparticles in Overdoped La${}_{1.77}$Sr${}_{0.23}$CuO${}_4$

C. G. Fatuzzo, Y. Sassa, M. Maansson +10

Nodal angle resolved photoemission spectra taken on overdoped La${}_{1.77}$Sr${}_{0.23}$CuO${}_4$ are presented and analyzed. It is proven that the low-energy excitations are true Landau…