GREEN-FUNCTIONS THROUGH SO(2, 1) LIE-ALGEBRA IN NONRELATIVISTIC QUANTUM-MECHANICS

被引:14
作者
BOSCHI, H [1 ]
VAIDYA, AN [1 ]
机构
[1] UNIV ESTADUAL PAULISTA,DEPT FIS & QUIM,BR-12500 GUARATINGUETA,SP,BRAZIL
关键词
D O I
10.1016/0003-4916(91)90370-N
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We discuss an algebraic technique to construct the Green's function for systems described by the noncompact so(2, 1) Lie algebra. We show that this technique solves the one-dimensional linear oscillator and Coulomb potentials and also generates particular solutions for other one-dimensional potentials. Then we construct explicitly the Green's function for the three-dimensional oscillator and the three-dimensional Coulomb potential, which are generalizations of the one-dimensional cases, and the Coulomb plus an Aharonov-Bohm potential. We discuss the dynamical algebra involved in each case and also find their wave functions and bound state spectra. Finally we introduce a point canonical transformation in the generators of so(2, 1) Lie algebra, show that this procedure permits us to solve the one-dimensional Morse potential in addition to the previous cases, and construct its Green's function and find its energy spectrum and wave functions. © 1991.
引用
收藏
页码:1 / 27
页数:27
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