1. Department of Applied Physics and Higher Mathematics, Kyiv National University of Technologies and Design, Kyiv, Ukraine
2. Department of General Physics and Modeling of Physical Processes, National Technical University of Ukraine 'Igor Sikorsky Kyiv Polytechnic Institute', Kyiv, Ukraine
3. Institute of Physics, NAS of Ukraine, Kyiv, Ukraine
4. Department of Physics, University of Colorado Colorado Springs, Colorado Springs, CO, USA
5. Department of Physics and Engineering Physics, Central Connecticut State University, New Britain, CT, USA