ITP OpenIR  > 理论物理所1978-2010年知识产出
COMPUTING MATRIX-ELEMENTS THROUGH INHOMOGENEOUS EQUATIONS IN MULTICHANNEL PROBLEMS
DU, ML; DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
1993
发表期刊COMPUTER PHYSICS COMMUNICATIONS
ISSN0010-4655
卷号77期号:2页码:229-240
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.
关键词Log-derivative Method Scattering Molecules State
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11999
专题理论物理所1978-2010年知识产出
通讯作者DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
推荐引用方式
GB/T 7714
DU, ML,DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.. COMPUTING MATRIX-ELEMENTS THROUGH INHOMOGENEOUS EQUATIONS IN MULTICHANNEL PROBLEMS[J]. COMPUTER PHYSICS COMMUNICATIONS,1993,77(2):229-240.
APA DU, ML,&DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1993).COMPUTING MATRIX-ELEMENTS THROUGH INHOMOGENEOUS EQUATIONS IN MULTICHANNEL PROBLEMS.COMPUTER PHYSICS COMMUNICATIONS,77(2),229-240.
MLA DU, ML,et al."COMPUTING MATRIX-ELEMENTS THROUGH INHOMOGENEOUS EQUATIONS IN MULTICHANNEL PROBLEMS".COMPUTER PHYSICS COMMUNICATIONS 77.2(1993):229-240.
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