Affiliation: | 1. Department of Physics, GC University, Lahore, 54000, Pakistan 2. Department of Physics, Forman Christian College, Lahore, 54600, Pakistan 3. COMSATS Institute of Information Technology, Park Road, Chak Shahzad, Islamabad, 44000, Pakistan 4. National Center for Physics (NCP), Islamabad, 44000, Pakistan
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