[Submitted on 28 Sep 2025 ( v1 ), last revised 1 Oct 2026 (this version, v2)] Title:Strain-induced Dynamic Spin-Phonon Coupling in Epitaxial RuO2 Films View a PDF of the paper titled Strain-induced Dynamic Spin-Phonon Coupling in Epitaxial RuO2 Films, by In Hyeok Choi and 8 other authors View PDF Abstract:Magnetic order parameters in altermagnets can couple to quantized lattice vibration via both piezomagnetic and magnetoelastic effects, leading to the renormalization of phonon dispersion.