Affiliation: | Department of Physics, Surendranath College, 24/2 Mahatma Gandhi Road, Kolkata 700009, India S.N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake, Kolkata 700098, India Department of Applied Mathematics, National Research Nuclear University “MEPhI”, 31 Kashirskoe Shosse, 115409 Moscow, Russian Federation |