1. Department of Mathematics, Faculty of Science, Jiangsu University, China
2. Department of Basic Science, Higher Technological Institute 10th of Ramadan city, Egypt
3. Department of Physics, College of Sciences, University of Bisha, Bisha, Saudi Arabia
4. Physics Department, Faculty of Science, Al-Azhar University, Assiut, Egypt
5. Department of Mathematics, Faculty of Science, Sohag University, Sohag, Egypt
6. Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia