Nature CommunicationsQuantum critical behavior of cuprate superconductors observed by inelastic X-ray scatteringH. Y. HuangC. Y. MouA. SinghJ. S. SuJ. OkamotoG. ChannagowdraS. KomiyaC. T. ChenT. K. LeeA. FujimoriD. J. Huang2026-06-01Full textDOI https://doi.org/10.1038/s41467-026-72812-y