X. Montiel, T. Kloss, C. Pépin, S. Benhabib, Y. Gallais, et al.. $\eta$ collective mode as A$_{1g}$ Raman resonance in cuprate superconductors.
Physical Review B: Condensed Matter and Materials Physics, American Physical Society, 2016, 93 (2),
⟨10.1103/PhysRevB.93.024515⟩.
⟨cea-01469552⟩