Fig. 3: Eliashberg spectral functions and electron–phonon coupling in H3S.
From: Electron–phonon vertex correction effect in superconducting H3S
a Eliashberg spectral function α2F(ω) and integrated e–ph coupling strength λ(ω) for both harmonic and anharmonic phonons within the adiabatic Migdal approximation. b Vertex-corrected Eliashberg spectral function \({\alpha }^{2}{F}^{{\rm{V}}}(\omega,{\omega }^{{\prime} })\) and integrated vertex-corrected e–ph coupling strength λV with harmonic (left) and anharmonic (right) phonons.
