Affiliation: | (1) Departamento de Fisica, Universidad de Alcala, E-28871 Alcala de Henares, (Madrid), Spain;(2) Plasma Physics Department, Tbilisi State University, Tbilisi, 380028, The Republic of Georgia;(3) Department of Theoretical Physics, Tbilisi State University, Tbilisi, 380028, The Republic of Georgia;(4) Research Institute for Basic Sciences, Department of Physics, TUBITAK, Marmara Research Center, P.O. Box 21, 414770 Gebze, Kocaeli, Turkey |