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Studying quantum current magnification in mesoscopic coupling metallic rings |
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| Authors: | Ying-hua Ji Hai-mei Luo Jie Liu Hua-Ming Wan |
| Institution: | aDepartment of Physics, Jiangxi Normal University, Nanchang, Jiangxi 330027, China;bComputing Centre, Nanchang University, Nanchang, Jiangxi 330047, China;cNanchang Institute of Aeronautical Technology, Nanchang, Jiangxi 330047, China;dJiangxi Center of Test and Control Engineering, 330047, China |
| Abstract: | We propose a quantum Hamiltonian and obtain the relationship between external magnetic field and currents of three mesoscopic coupling rings. The impact of coupling on quantum current magnification in the system is studied. It is found that the quantum current magnification effect strongly depend on both the external magnetic flux and the coupling factors. As a result, by taking use of coupling rings, we can design some circuits to transfer and communicate signals. |
| Keywords: | Mesoscopic rings Magnetic flux Quantum current magnification |
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