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题名: COMPUTING MATRIX-ELEMENTS THROUGH INHOMOGENEOUS EQUATIONS IN MULTICHANNEL PROBLEMS
作者: DU, ML
刊名: COMPUTER PHYSICS COMMUNICATIONS
出版日期: 1993
卷号: 77, 期号:2, 页码:229-240
关键词: LOG-DERIVATIVE METHOD ;  SCATTERING ;  MOLECULES ;  STATE
学科分类: Physics
通讯作者: DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
英文摘要: Matrix elements are closely connected with solutions of inhomogeneous Schrodinger equations. Based on the recently developed renormalized method for the solutions of multichannel inhomogeneous Schrodinger equations, simple procedures are derived for the calculation of first-order and second-order matrix elements in multichannel problems. First-order matrix elements are associated with the asymptotic outgoing solution of an inhomogeneous equation and their values are given by the renormalized method directly. For a second-order matrix element, by writing it first as an overlap integral with the outgoing solution of an inhomogeneous equation, recursion relations for two auxiliary quantities, which completely determine the overlap integral, are then derived. These recursion relations should be propagated together with the renormalized solution. The value of the second-order matrix element is given at the end of the propagation. The algorithms are illustrated by numerical examples.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11999
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
DU, ML. COMPUTING MATRIX-ELEMENTS THROUGH INHOMOGENEOUS EQUATIONS IN MULTICHANNEL PROBLEMS[J]. COMPUTER PHYSICS COMMUNICATIONS,1993,77(2):229-240.
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