Circular dichroism and bilayer splitting in the normal state of underdoped (Pb,Bi)${}_2$Sr${}_2$(Ca${}_x$Y${}_{1-x}$)Cu${}_2$O${}_{8+\delta }$ and overdoped (Pb,Bi)${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$

S. V. Borisenko, A. A. Kordyuk, S. Legner +11

We report an ARPES investigation of the circular dichroism in the first Brillouin zone (BZ) of under- and overdoped Pb-Bi2212 samples. We show that the dichroism has opposite signs…