High Order Perturbation Theory with Three-Body Forces in the Faddeev Scheme
Realistic two-body potentials, i.e. potentials that describe the two-nucleon observables quantitatively correct are not adequate to reproduce the fundamental observables of e.g. the A=3 nucleus like the binding energy. There are several theoretical approaches to overcome this discrepancy: On the “classical” level which we will adopt one may ask if meson-theoretical three-body forces can explain it. On the other hand one can extend the Hilbert space to take into account non-nucleonic degrees of freedom. On this level one may first regard the inclusion of Δ’s and π’s or even more pretentiously treat the nucleons as composite particles built up by quarks.
KeywordsComposite Particle Faddeev Equation Repulsive Core Unperturbed Problem Simple Quadrature
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