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Faddeev-Noble Versus Sasakawa-Sawada Equations for the Nuclear Three-Body Coulomb Problem |
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| Authors: | J Zs Mezei J Darai Z Papp W Plessas |
| Institution: | Institute of Nuclear Research of the Hungarian Academy of Sciences, Debrecen, Hungary Institute of Experimental Physics, University of Debrecen, Debrecen, Hungary Department of Physics and Astronomy, California State University Long Beach, Long Beach, CA, USA Theoretische Physik, Institut für Physik, Universit?t Graz, Graz, Austria |
| Abstract: | We compare the efficiency of two Faddeev-type approaches for the nuclear three-body Coulomb problem. The first one is a modification of Noble’s approach, the second one is due to Sasakawa and Sawada. In an integral-equation formulation both of these methods rely on the same Green’s operators and driving terms. The differences lie in the treatment of the long-range Coulomb potentials. Numerical examples show that the modified Faddeev-Noble approach provides for faster convergence. |
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