Departments

A.A. Gurgel, F.G. Queiroz, E.S.N. Silva, V.D. Mello - Departamento de F?sica, Universidade do Estado do Rio Grande do Norte, Mossor?, RN, 59625-620, Brazil D.H.A.L. Anselmo - Departamento de F?sica Te?rica e Experimental, Universidade Federal do Rio Grande do Norte, Natal, RN, 59600-900, Brazil V.V. Proglyado, M.A. Milyaev, E.A. Kravtsov, D.I. Devyaterikov - IMP UB RAS, 18 S. Kovalevskaya Street, Ekaterinburg, Russian Federation, 620108 E.A. Stepanova - Ural Federal University, 19 Mira street, 620002 Ekaterinburg, Russia F.A. Shelkovyi, E.M. Smelova, K.M. Tsysar, V.I. Zverev - Lomonosov Moscow State University, Moscow 119899 Russia R.R. Gimaev - University of Ljubljana, Faculty of Mechanical Engineering, A?ker?eva 6, 1000 Ljubljana, Slovenia