Reflection of Electrons from a Fibonacci Coupled Quantum Dots System |
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Authors: | Wen-Sheng PING Wei-Guo FENG Xiang WU |
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Affiliation: | 1. Department of Applied Physics, Shanghai Jiao Tong University, Shanghai 200030, China;2. Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China;3. Center of Theoretical Physics, CCAST (World Laboratory), Beijing 100080;4. International Centre for Material Physics, Academia Sinica, Shanghai |
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Abstract: | The reflectivity of electrons from a kind of quasi-period one-dimensional system is investigated. This system consists of a sequence of Fibonacci coupled quantum dots. Using the transfer-matrix method, and taking account of the experimental technique, we proposed the formalism of the electron reflection rate for the chain of quantum dots. fiom the numerical results, we analyzed the influences of the generation number, the transmission rate of single quantum dot and the phase for reflection amplitude, and we found that the reflection spectra of the system have a rich structure of self-similarity. |
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