Bulk Fermi surface and momentum density in heavily doped La${}_{2-x}$Sr${}_x$CuO${}_4$ using high resolution Compton scattering and positron annihilation spectroscopies

W. Al-Sawai, B. Barbiellini, Y. Sakurai +13

We have observed the bulk Fermi surface (FS) in an overdoped ($x$=0.3) single crystal of La${}_{2-x}$Sr${}_x$CuO${}_4$ by using Compton scattering. A two-dimensional (2D) momentum densit…