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arXiv 0710.3045cond-mat.mes-hallcond-mat.str-el
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边耦合二能级量子点的Fano共振

Fano resonance in a two-level quantum dot side-coupled to leads

W. -R. Lee, Jaeuk U. Kim, H. -S. Sim

摘要:

理论上研究了两个引线与二能级量子点侧面耦合的Fano共振。共振线形被发现变形,从传统的Fano形式,由层间库仑相互作用和层间干涉。我们导出了线形形变与相互作用引起的能级占据非单调性之间的联系,这对实验研究可能是有用的。讨论了线型对直接通道传输和点-引线耦合矩阵元的依赖关系。

英文摘要:

We theoretically study Fano resonance in a two-level quantum dot side-coupled to two leads, which are connected by a direct channel. The resonance lineshape is found to be deformed, from the conventional Fano form, by interlevel Coulomb interaction and interlevel interference. We derive the connection between the lineshape deformation and the interaction-induced nonmonotonicity of level occupation, which may be useful for experimental study. The dependence of the lineshape on the transmission of the direct channel and on the dot-lead coupling matrix elements is discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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