| Affiliation: | 1. Faculty of Exact and Natural Sciences, Tbilisi State University, Tbilisi, 0179, Georgia;2. Physics Department, New York City College of Technology, The City University of New York, Brooklyn, NY 11201, USA;3. Graduate School and University Center, The City University of New York, New York, NY 10016, USA;1. Department of Physics, Faculty of Science, Beirut Arab University, P.O.Box 11 5020 Riad El Solh 11072809 Beirut, Lebanon;2. Department of Physics, Faculty of Science, Alexandria University, Moharram Bek, Alexandria 21511, Egypt;1. Department of Aerospace Engineering, Semnan University, Semnan, Iran;2. Physics Department, Qom Branch, Islamic Azad University, Qom, Iran;3. 316 South Maple Street, Hartford, MI 49057-1225, USA;4. Shahrekord Branch, Islamic Azad University, Shahrekord, Iran;1. Department of Physics, Himachal Pradesh University, Shimla, Himachal Pradesh 171005, India;2. Department of Physics, Govt. College Banjar, Distt. Kullu, Himachal Pradesh 175123, India |
