Theoretical study of resonant tunneling in rectangular double-, triple-, quadruple-, and quintuple-barrier structures |
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Authors: | Hiroaki Yamamoto Youji Kanie Masakazu Arakawa Keiji Taniguchi |
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Affiliation: | (1) Department of Information Science, Fukui University, 3-9-1 Bunkyo, 910 Fukui, Japan |
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Abstract: | The transmission coefficient and the resonance condition in the one-dimensional rectangular double-, triple-, quadruple-, and quintuple-barrier structures are derived theoretically under the assumption of the constant tunneling effective mass. It is found that the resonance energies are different from the eigenvalues in the quantum well due to coupling between wells in the multiple-barrier (much more than triple-barrier) structures. It is confirmed that the transmission spectrum is a Lorentzian near to energies of resonance. |
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Keywords: | 73.20.Dx 73.40.Gk 85.30.– z |
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