Institute of Applied Physics, Russian Academy of Science, Plasma Physics and High Power Electronics Department, 46 Ulyanov St, Nizhny Novgorod, 603950 Russian Federation
University of Mississippi, Department of Physics and Astronomy, University, MS 38677 United States
Institute of Applied Physics, Russian Academy of Science, Plasma Physics and High Power Electronics Department, 46 Ulyanov St, Nizhny Novgorod, 603950 Russian Federation
University of Mississippi, Department of Physics and Astronomy, University, MS 38677 United States