1Department of Physics, Faculty of Science, King Abdulaziz University, Rabigh, Saudi Arabia, E-mail: mohammedben@yahoo.com
2Laboratory of Quantum Physics, Faculty of Science, Monastir University, Monastir, Tunisia, E-mail: mohammedben@yahoo.com
*Corresponding Author:
Manel Ben Yahia, Department of Physics, Faculty of Science, King Abdulaziz University, Rabigh 21911, Saudi Arabia, Tel: 0554285994 Email: