CommensurateSpinDynamicsintheSuperconductingStateofaNCCOsuperconductorHTS高温超导VOLUME90,NUMBER13PHYSICALREVIEWLETTERSweekending4APRIL2021CommensurateSpinDynamicsintheSuperconductingStateofanElectron-DopedCuprateSuperconductorK.Yamada,1,*K.Kurahashi,2,T.Uefuji,1M.Fujita,1S.Park,3,4S.-H.Lee,3andY.Endoh5InstituteforChemicalResearch,KyotoUniversity,Uji611-0011,JapanDepartmentofPhysics,TohokuUnive...