Bosonic Spectral Function and the Electron-Phonon Interaction in HTSC Cuprates

Figure 10

(a) Spectral weight 𝑊_𝑛(Ω_𝑐,𝑇) of the overdoped Bi2212 for Ω_𝑐=1eV. Closed symbols—normal state. Open symbols—superconducting state. (b) Change of the kinetic energy Δ𝐸_kin=𝐸_kin,𝑆−𝐸_kin,𝑁 in meV per Cu site versus the charge 𝑝 per Cu with respect to the optimal value 𝑝_opt. From [112].

(a)

(b)