Efficient numerical schemes for electronic states in coupled quantum dots

Tsung Min Hwang, Wei Hua Wang, Weichung Wang*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

Electronic states in coupled quantum dots are studied numerically and qualitatively in this article. A second-order finite volume scheme based on uniform meshes is first developed to solve the three-dimensional Schrödinger equation. The scheme is used to solve the eigenvalue problem with more than 12 million unknowns. Using these efficient numerical tools, we study quantum structure induced interactions, with emphases on the effects of dot size and space layer thickness. The numerical experiments have predicted the phenomena that envelope functions become delocalized over two QDs and the energy levels show anticrossing behavior.

原文英語
頁(從 - 到)3695-3709
頁數15
期刊Journal of Nanoscience and Nanotechnology
8
發行號7
DOIs
出版狀態已發佈 - 2008 七月

ASJC Scopus subject areas

  • 生物工程
  • 化學 (全部)
  • 生物醫學工程
  • 材料科學(全部)
  • 凝聚態物理學

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