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

Figure 12

(a) Calculated resistivity 𝜌(𝑇) for the EPI spectral function 𝛼^2tr(𝜔)𝐹(𝜔) in [118]. (b) Measured resistivity in 𝑎(𝑥)- and 𝑏(𝑦)-crystal direction of YBCO [119] and calculated Bloch-Grüneisen curve (points) for 𝜆^𝑒𝑝=1 [120].

(a)

(b)