| Affiliation: | 1. Department of Mathematical Sciences , Delaware State University , Dover , DE 19901-2277 , USA;2. Center for Research and Education in Optical Sciences and Applications , Delaware State University , Dover , DE 19901-2277 , USA biswas.anjan@gmail.com;4. Center for Research and Education in Optical Sciences and Applications , Delaware State University , Dover , DE 19901-2277 , USA;5. Center for Research and Education in Optical Sciences and Applications , Delaware State University , Dover , DE 19901-2277 , USA;6. Department of Physics &7. Pre-Engineering , Delaware State University , Dover , DE 19901-2277 , USA;8. Department of Applied Physics , Birla Institute of Technology , Mesra , Ranchi-835215 , India |
