1. Institut für Theoretische Physik und Astrophysik, Christian-Albrechts-Universität zu Kiel, Leibnizstraße 15, 24098 Kiel, Germany
2. Center for Advanced Systems Understanding (CASUS), 02826 Görlitz, Germany
3. Institute for Experimental and Theoretical Physics, Al-Farabi Kazakh National University, 71 Al-Farabi Str., 050040 Almaty, Kazakhstan
4. Institute of Applied Sciences and IT, 40-48 Shashkin Str., 050038 Almaty, Kazakhstan
5. Department of Physics, National University of Defense Technology, Changsha, Hunan 410073, China
6. Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
7. Technische Universität Dresden, 01062 Dresden, Germany