Affiliation: | Gholam Hossein Bordbar1,3 and Ali Reza Peivand2 1 Department of Physics,Shiraz University,Shiraz 71454,Iran 2 Department of Physics,Tafresh University,Tafresh 39518-79611,Iran 3 Research Institute for Astronomy and Astrophysics of Maragha,P.O.Box 55134-441,Maragha 55177-36698,Iran |