Experimental proof of a structural origin for the shadow Fermi surface in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$

A. Mans, I. Santoso, Y. Huang +10

By combining surprising new results from a full polarization analysis of nodal angle-resolved photoemission data from pristine and modulation-free Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ wit…