Parametrically amplified Josephson plasma waves in YBa(2)Cu(3)O(6+x): Evidence for local superconducting fluctuations up to the pseudogap temperature T( *). (pnas.org)

Authors: Michael MH … Lee PA Journal: PNAS Published: 2026-07-15 DOI: https://doi.org/10.1073/pnas.2606129123