Plasma excitations in thin-film NbN probed by terahertz spectroscopyRemoveS. A. Andreeva, A. A. Gavrilov, K. R. Dzhikirba, M. V. Shibalov, A. M. Mumlyakov, I. V. Trofimov, A. V. Shchepetilnikov, O. V. Orlov, V. V. Solovyev, M. A. Tarkhov, and I. V. KukushkinPhys. Rev. B 114, 134515 (2026)
