Steady-State Solution for Dark States Using a Three-Level System in Coupled Quantum Dots
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概要
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Quantum dots (QDs) are one of the promising candidates of interconnection between electromagnetic field and electrons in solid-state devices. Dark states appear as a result of coherence between the electromagnetic fields and the discrete energy levels of the system. Here, we theoretically solve the steady-state solutions of the density matrix equations for a thee-level double QD system and investigate the condition of the appearance of a dark state. We also numerically show the appearance of the dark state by time-dependent current characteristics.
- 2012-02-25
著者
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Tanamoto Tetsufumi
Corporate R&d Center Toshiba Corporation
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Ono Keiji
Low Temperature Physics Laboratory Riken
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Nori Franco
Advanced Science Institute, RIKEN, Wako, Saitama 351-0198, Japan
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Ono Keiji
Low Temperature Physics Laboratory, RIKEN, Wako, Saitama 351-0198, Japan
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