Electron transport of a driven three-level system in an asymmetric double quantum dot irradiated by an external field

Y. Y. Liao, D. S. Chuu, Y. N. Chen

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

Electron tunneling through a three-level system in an asymmetric double quantum dot irradiated by an external field is investigated. For a resonant external field, two symmetric peaks occur in the current spectrum. If the field frequency is detuned, unequal contributions from two channels lead to two asymmetric peaks with population inversion, which can be observed with increasing Rabi frequency. On the other hand, as the ground states in two dots are equal, a suppression of current occurs around the resonant frequency. In contrast, an enhanced behavior is found for the case of unequal ground states.

原文English
文章編號125325
期刊Physical Review B - Condensed Matter and Materials Physics
75
發行號12
DOIs
出版狀態Published - 2007 三月 27

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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