| Affiliation: | 1. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;2. Department of Mathematics, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt;1. Department of Physics, University of Pretoria, Pretoria 0002, South Africa;2. College of Graduate Studies, University of South Africa, UNISA 0003 Pretoria, South Africa;3. National Institute for Theoretical Physics, Johannesburg 2000, South Africa;1. Department of Theoretical Physics, V. Lashkaryov Institute of Semiconductor Physics, NASU, Pr. Nauki 41, Kiev 03028, Ukraine;2. Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC 27695-7911, USA;1. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China;2. Key Laboratory of Information Materials of Sichuan Province & School of Electrical and Information Engineering, Southwest University for Nationalities, Chengdu 610041, China |
