Coherent switching by detuning a side-coupled quantum-dot system

2008/07/30 by Ómar Valsson, Omar Valsson, Chi-Shung Tang +3
Engineering · Physics and Astronomy · #Advancements in Semiconductor Devices and Circuit Design #Quantum and electron transport phenomena #Semiconductor Quantum Structures and Devices #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevb.78.165318

10 RevTeX pages with 14 included png-figures, (pdfLaTeX)

arxiv created 2008/07/30 · openalex publication_date 2008/10/21 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We investigate phase-coherent electronic transport in an open quantum system, which consists of quantum dots side coupled to a nanowire. It is demonstrated that coherent switching can be characterized by adjusting the electronic energy. A comparative analysis of quantum coherence effects in side-coupled quantum-dot systems is presented. Our results demonstrate the relevance of electronic nanodevices based on coherent switching by appropriately detuning the side-coupled quantum dots that are located at variable distance along a wire.

Citations

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