Affiliation: | (1) Sukhumi Physicotechnical Institute, Sukhumi, 384914, Abkhazia;(2) Nuclear Fusion Institute, Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia;(3) Kharkov Institute of Physics and Technology, National Science Center, ul. Akademicheskaya 1, Kharkiv, 61108, Ukraine |