1. Institute of Radio Astronomy, NAS of Ukraine, Mystetstv St. 4, Kharkiv 61002, Ukraine
2. International Center of Future Science, Jilin University, Qianjin Street No. 2699, Changchun, Jilin Province 130012,
China
3. B. Verkin Institute for Low Temperature Physics and Engineering, NAS of Ukraine, Nauky Ave. 47, Kharkiv 61103,
Ukraine