Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081;
Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081;
College of Zhangjiajie, Jishou University, Zhangjiajie 427000;
Department of Physics and Information Engineering, Huaihua University, Huaihua 418008;
