Three-body scattering model: diatomic homonuclear molecule and atom in collinear configuration

被引：0

作者：

Vinitsky, S. I. ^{[1
,2
]}

Gusev, A. A. ^{[1
]}

Chuluunbaatar, O. ^{[1
,3
]}

Derbov, V. L. ^{[4
]}

Krassovitskiy, P. M. ^{[5
]}

Hai, L. L. ^{[6
]}

机构：

[1] Joint Inst Nucl Res, Dubna, Russia

[2] RUDN Univ, 6 Miklukho Maklaya St, Moscow 117198, Russia

[3] Natl Univ Mongolia, Inst Math, Ulaanbaatar, Mongolia

[4] Saratov NG Chernyshevskii State Univ, Saratov, Russia

[5] Inst Nucl Phys, Alma Ata, Kazakhstan

[6] Ho Chi Minh City Univ Pedag, Ho Chi Minh City, Vietnam

来源：

SARATOV FALL MEETING 2016 - LASER PHYSICS AND PHOTONICS XVII; AND COMPUTATIONAL BIOPHYSICS AND ANALYSIS OF BIOMEDICAL DATA III | 2017年 / 10337卷

关键词：

trimer of atoms; collinear configuration; interatomic potentials; diatomic molecules; bound states;

D O I：

10.1117/12.2269498

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Three-body model comprising a diatomic homonuclear molecule and an atom, the solutions of which are necessary for modelling interactions of three-body systems with laser radiation and spectroscopy, is formulated in the collinear configuration of the adiabatic representation. The mapping of the relevant 2D boundary-value problems (BVPs) in the Jacobi coordinates and in polar (hyperspherical) coordinates is reduced to a 1D BVP for a system of coupled second-order ordinary differential equations (ODEs) by means of the Kantorovich expansion in basis functions of one of the two independent variables, depending on the other independent variable parametrically. The efficiency of the proposed approach and software is demonstrated by benchmark calculations of the discrete spectrum of Be 3 trimer in the collinear configuration.

引用

页数：11

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