Probing electronic order via coupling to low energy phonons in superconducting Bi${}_2$Sr${}_{2-x}$La${}_x$CuO${}_{6+\delta }$

C. J. Bonnoit, D. R. Gardner, R. Chisnell +7

We report high-resolution inelastic x-ray scattering measurements of the acoustic phonons in the single-layer cuprate $Bi_{2}Sr_{2-x)La_{x}CuO_{6+δ}$. These measurements reveal ano…