Spectral diffusion of nanomechanical resonators due to single quantum defectsRemoveM.P. Maksymowych, M. Yuksel, O.A. Hitchcock, N.R. Lee, F.M. Mayor, W. Jiang, M.L. Roukes, and A.H. Safavi-NaeiniPhys. Rev. Applied 24, 044066 (2025)