1. Laboratory of Physics of Matter and Radiation, Mohammed I University , BP 717 Oujda , Morocco
2. Department of Applied Mathematics, Delhi Technological University , Delhi 110042 , India
3. Pacif Institute of Cosmology and Selfology (PICS) Sagara , Sambalpur 768224, Odisha , India
4. Department of Mathematics, Shyamlal College, University of Delhi , Delhi 110032 , India
5. Department of Physics, Babes-Bolyai University , Kogalniceanu Street, Cluj-Napoca 400084 , Romania
6. Department of Theoretical Physics, National Institute of Physics and Nuclear Engineering (IFIN-HH) , Bucharest, 077125 , Romania
7. Astronomical Observatory , 19 Ciresilor Street, Cluj-Napoca 400487 , Romania
8. Instituto de Astrofísica e Ciências do Espaço, Faculdade de Ciências da Universidade de Lisboa, Edifício C8 , Campo Grande, P-1749-016 Lisbon , Portugal
9. Departamento de Física, Faculdade de Ciências da Universidade de Lisboa, Edifício C8 , Campo Grande, P-1749-016 Lisbon , Portugal