Reconstruction of the Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ Fermi Surface

T. Valla, I. Pletikosić, I. K. Drozdov +1

The effects of structural supermodulation with the period $\lambda \approx 26$ Å\ along the $b$-axis of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ have been observed in photoemission studies from the e…