Distributed nonclassical magnon–photon–phonon entanglement without direct cavity couplingMuqaddar Abbas, Ghaisud Din, Saud Owyed, Hamid R. Hamedi and Pei ZhangEur. Phys. J. Plus, 141 2 (2026) 208DOI: https://doi.org/10.1140/epjp/s13360-026-07426-w