Effect of Rashba spin-orbit coupling on electron transport in asymmetrically coupled regular polygonal quantum ring |
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| Authors: | Li-Xue Zhai Jian-Jun Liu |
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| Affiliation: | a Department of Physics and Hebei Advanced Thin Film Laboratory, Hebei Normal University, Shijiazhuang 050016, Hebei, People's Republic of China
b Hebei Chemical & Pharmaceutical College, Shijiazhuang 050026, People's Republic of China |
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| Abstract: | The effect of Rashba spin-orbit coupling (SOC) on electron transport in asymmetrically coupled regular polygonal quantum ring is investigated. In absence of SOC, two kinds of conductance zeros appear periodically. In presence of SOC, one kind of conductance zero can be lifted by the Rashba SOC, the others persist. |
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| Keywords: | Quantum ring Rashba spin-orbit interaction Quantum transport |
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