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Spin transport properties in double quantum rings connected in series |
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| Authors: | Du Jian Wang Suxin Pan Jianghong |
| Affiliation: | 1. Department of Physics, Hebei Normal College for Nationalities, Chengde 067000, China 2. College of Physics and Technology, Guangxi Normal University, Guilin 541004, China |
| Abstract: | A new model of metal/semiconductor/metal double-quantum-ring connected in series is proposed and the transport properties in this model are theoretically studied.The results imply that the transmission coefficient shows periodic variations with increasing semiconductor ring size.The effects of the magnetic field and Rashba spin-orbit interaction on the transmission coefficient for two kinds of spin state electrons are different.The number of the transmission coefficient peaks is related to the length ratio ... |
| Keywords: | transmission coefficient double quantum rings Rashba spin-orbit interaction |
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