R-MATRIX-FLOQUET THEORY OF MULTIPHOTON PROCESSES

被引：67

作者：

BURKE, PG

FRANCKEN, P

JOACHAIN, CJ

机构：

[1] UNIV LIBRE BRUXELLES,FAC SCI,B-1050 BRUSSELS,BELGIUM

[2] CATHOLIC UNIV LOUVAIN,INST PHYS CORPUSCULAIRE,B-1348 LOUVAIN LA NEUVE,BELGIUM

来源：

EUROPHYSICS LETTERS | 1990年 / 13卷 / 07期

关键词：

D O I：

10.1209/0295-5075/13/7/008

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A unified theory is developed to analyse both the multiphoton ionization of atoms and laser-assisted electron-atom collisions. It combines the R-matrix method with the Floquet theory, is nonperturbative and is applicable to any atom. It takes advantage of the natural Rmatrix division of configuration space into two regions, which allows us to choose the most appropriate form of the interaction Hamiltonian in each region and also to use the Hermitian Floquet theory in the internal region. Our theory is illustrated by the calculation of multiphoton ionization rates for a one-dimensional model. © 1990 IOP Publishing Ltd.

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页码：617 / 622

页数：6

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