Molecular predissociation resonances below an energy level crossing

Asymptot. Anal. Pub Date : 2017-07-25 DOI:10.3233/ASY-171453
Sohei Ashida
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引用次数: 7

Abstract

We study the resonances of $2\times 2$ systems of one dimensional Schrodinger operators which are related to the mathematical theory of molecular predissociation. We determine the precise positions of the resonances with real parts below the energy where bonding and anti-bonding potentials intersect transversally. In particular, we find that imaginary parts (widths) of the resonances are exponentially small and that the indices are determined by Agmon distances for the minimum of two potentials.
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低于一个能级交叉的分子预解离共振
研究了与分子预解数学理论有关的一维薛定谔算子$2\ × 2$系统的共振。我们确定了在成键和反键势横向相交的能量以下的实部共振的精确位置。特别地,我们发现共振的虚部(宽度)是指数小的,而且指数是由两个势的最小值的Agmon距离决定的。
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