Two pseudogaps with different energy scales at the antinode of the high-temperature Bi${}_2$Sr${}_2$CuO${}_6$ superconductor using angle-resolved photoemission spectroscopy

K. Nakayama, T. Sato, Y. -M. Xu +8

We have performed high-resolution angle-resolved photoemission spectroscopy on single-layered cuprate Bi${}_2$Sr${}_2$CuO${}_6$ to clarify the origin of the pseudogap. By using various p…