1. Department of Physics, Faculty of Science, Port Said University, Port Said 42521, Egypt
2. Department of Physics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
3. Institut für Theoretische Physik IV, Ruhr-Universität Bochum, 44780 Bochum, Germany
4. Department of Physics, Faculty of Science, Damietta University, New Damietta 34517, Egypt
5. Centre for Theoretical Physics, The British University in Egypt (BUE), El-Shorouk City, Cairo, Egypt