Calculations of photodissociation cross sections by the smooth exterior complex scaling method

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• 作者：Andric ; L. ; Baccarelli ; I. ; Grozdanov ; T.P. ; McCarroll ; R.
• 关键词：31.15.-p ; 33.80.Gj ; Photodissociation ; Smooth exterior complex scaling
• 刊名：Physics Letters A
• 出版年：2002
• 期刊代码：57_03759601
• 类别：ph
• 出版时间：May 27, 2002
• 卷：298
• 期：1
• 页码：41-48
• 文件大小：123 K

摘要

We show that total photodissociation cross sections can be calculated directly by the smooth exterior complex scaling method. First, an application to a model problem, characterized by the resonance-dominated cross section is considered, in which the detailed comparisons with approaches employing the standard complex scaling and the complex absorbing potentials are made. Second, the photodissociation cross sections for transitions from the ground vibrational state of the Xp>2p>Π electronic state of HClp>+p> to the continua of the (2)p>2p>Π and (3)p>2p>Π states are calculated, by using a discrete set of realistic molecular data.