Fano线型的非对称性到对称性的转变：解析推导
Asymmetry to symmetry transition of Fano line-shape: Analytical derivation
摘要：
本文给出了一般情况下Fano线型不对称比的解析推导。结果表明，随着\q的增大，Fano线形的不对称性逐渐减弱，在q =无穷大的极限条件下，Fano线形最终变为完全对称.计算了Fano线型的不对称率，发现与文献报道的不对称率随Fano参数变化的表达式吻合得很好。应用该方法解释了量子限制硅纳米结构中Fano线型的不对称性到对称性的转变。
英文摘要：
An analytical derivation of Fano line-shape asymmetry ratio has been presented here for a general case. It is shown that Fano line-shape becomes less asymmetric as \q is increased and finally becomes completely symmetric in the limiting condition of q equal to infinity. Asymmetry ratios of Fano line-shapes have been calculated and are found to be in good consonance with the reported expressions for asymmetry ratio as a function of Fano parameter. Application of this derivation is also mentioned for explanation of asymmetry to symmetry transition of Fano line-shape in quantum confined silicon nanostructures.
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