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Electroabsorption in a narrow gap semiconductor nanotube in the field of uniformly charged ring
Affiliation:1. Russian-Armenian (Slavonic) University, Yerevan, Armenia;2. Yerevan State University, Yerevan Armenia;1. School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan, Hubei Province, PR China;2. Hubei Key Laboratory for Engineering Structural Analysis and Safety Assessment, 1037 Luoyu Road, Wuhan 430074, PR China;1. Mathematics Department, Faculty of Science, Sohag University, Egypt;2. Mathematics Department, Faculty of Science, Taif University, Taif, Saudi Arabia;3. Al Imam Mohammad Ibn Saud Islamic University (IMSIU), College of Science, Department of Physics, Riyadh, Saudi Arabia;4. The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, Miramare-Trieste, Italy;5. Department of Physics, McGill University, Montreal, Canada H3A 2T8;6. University of Science and Technology at Zewail City, Sheikh Zayed District, 12588, 6th of October, Egypt;1. Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, Iceland;2. Department of Mechanical Engineering, National United University, 1, Lienda, Miaoli 36003, Taiwan;3. School of Science and Engineering, Reykjavik University, Menntavegur 1, IS-101 Reykjavik, Iceland;1. School of Energy Science and Engineering, Central South University, Changsha 410083, China;2. College of Information, GuangDong Ocean University, Zhanjiang 524088, China;1. Departamento de Física, Universidad Nacional de Colombia, A. A. 5997 Bogotá, Colombia;2. Instituto de Física, Universidade Federal Fluminense (UFF). Avenida litorânea s/n, CEP: 24210-346 Niterói, Rio de Janeiro, Brazil;1. Department of Physics, Urmia Branch, Islamic Azad University, Urmia, Iran;2. Department of Solid State Physics, Yerevan State University, Al. Manookian 1, 0025 Yerevan, Armenia
Abstract:The electronic states as well as interband and intraband electrooptical transitions are considered for the narrow gap InSb nanotube in the field of homogeneously charged ring. The problem is solved in the framework of the variational approach. The field of the charged ring is brought to the field of the modified one dimensional Coulomb-like potential. Physically appropriate wave functions are suggested for this potential and the intensities of the threshold frequencies of the electrooptical transitions are calculated.
Keywords:Electroabsorption  Nanotube  Charged ring
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