Resonant Magnetophonon Emission by Supersonic Electrons in Ultrahigh-Mobility Two-Dimensional SystemsRemoveZ. T. Wang, M. Hilke, N. Fong, D. G. Austing, S. A. Studenikin, K. W. West, and L. N. PfeifferPhys. Rev. Lett. 136, 146302 (2026)
