Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1999-08-04
Phys.Rev. C61 (2000) 034302
Physics
Nuclear Physics
Nuclear Theory
7 pages, 4 ps figures, revised version
Scientific paper
10.1103/PhysRevC.61.034302
If a quantum mechanical Hamiltonian has an infinite symmetric tridiagonal (Jacobi) matrix form in some discrete Hilbert-space basis representation, then its Green's operator can be constructed in terms of a continued fraction. As an illustrative example we discuss the Coulomb Green's operator in Coulomb-Sturmian basis representation. Based on this representation, a quantum mechanical approximation method for solving Lippmann-Schwinger integral equations can be established, which is equally applicable for bound-, resonant- and scattering-state problems with free and Coulombic asymptotics as well. The performance of this technique is illustrated with a detailed investigation of a nuclear potential describing the interaction of two $\alpha$ particles.
Kónya Balázs
Le'vai Ge'za
Papp Zoltan
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