Surface and bulk electronic structure of unconventional superconductor Sr_2RuO_4: unusual splitting of the beta-band

V. B. Zabolotnyy, E. Carleschi, T. K. Kim +10

We present an angle resolved photoemission study of the surface and bulk electronic structure of the single layer ruthenate Sr${}_2$RuO${}_4$. As the early studies of its electronic st…