Rashba effect of the bound magnetopolaron in an asymmetry quantum well |
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| Institution: | 1. College of Physics and Electromechanics, Fujian Longyan University, Longyan 364012, China;2. Department of Electrical Engineering, Huzhou Vocational Technology College, Huzhou 313000, China;1. Department of Mathematics, Lahore Leads University, Lahore, Pakistan;2. Abdus Salam School of Mathematical Sciences, GC University, Lahore, Pakistan;3. Department of Theoretical Mechanics, Technical University of Iasi, Romania;4. Academy of Romanian Scientists, 050094 Bucharest, Romania;1. Centre de Développement des Technologies Avancées, CDTA - Laser Material Processing Team, PO. BOX 17 Baba-Hassen, Algiers 16303, Algeria;2. Laboratoire d''Etude des Matériaux & Instrumentations Optiques, Faculté des Sciences Exactes, Université Djillali Liabes de Sidi Bel Abbes, Sidi Bel Abbes 22000, Algeria;3. Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam;4. Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam;5. Nanotechnology and Catalysis Research Center (NANOCAT), University of Malaya, Kuala Lumpur 50603, Malaysia;6. Department of Instrumentation and Control Engineering, Faculty of Mechanical Engineering, CTU in Prague, Technicka 4, Prague 6 166 07, Czech Republic;7. Physics department, College of Science, Basrah University, Basrah, Iraq;8. Iraq University College (IUC), Al-Estiqlal St., Basrah, Iraq;1. Department of Physics, The University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir 13100, Pakistan;2. National Center for Physics, Quaid-e-Azam University Campus, Shahdra Valley Road, Islamabad 44000, Pakistan |
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| Abstract: | Using Pekar variational method, we studied the Rashba effect of the bound magnetopolaron in an asymmetry quantum well. The expression of the ground state energy of the bound magnetopolaron is obtained by theoretical derivation. Due to the influence of the Rashba effect, the ground state energy of the bound magnetopolaron splits into two branches. This phenomenon fully demonstrates that the influence of orbit and spin interaction in different directions on the energy of the polaron is not negligible. Because the contribution of the magnetic field cyclotron resonance frequency to the Rashba spin–orbit splitting is a positive value, the energy spacing becomes larger as the magnetic field cyclotron resonance frequency increases. Due to the presence of impurities, the polaron is more stable than the bare electron state, and the energy splitting is more stable. |
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