Journal Article10.1103/PHYSREVLETT.50.2039
Improved Coulomb Potential
G. J. M. Austen,J. J. de Swart +1 more
54
TL;DR: In this article, an improved Coulomb potential is presented for use in the relativistic Schrödinger equation, which takes into account contributions of all two-photon exchange diagrams and gives the lowest-order relatvistic corrections to the static Coulom potential for arbitrary masses of the two particles.
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Abstract: An improved Coulomb potential is presented for use in the relativistic Schrödinger equation. This potential takes into account contributions of all two-photon exchange diagrams and gives the lowest-order relativistic corrections to the static Coulomb potential for arbitrary masses of the two particles. The cases spin 0-spin 0, spin 0-spin 12 , and spin 1 2 -spin 1 2 are considered. When the mass of one of the particles goes to infinity, then the well-known corrections to the binding energy and to the phase shifts as obtained with either the Klein-Gordon or the Dirac equation are reproduced. Typeset using REVTEX ∗Published in Phys. Rev. Lett. 50, 2039–2042 (1983)
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Modern theory of nuclear forces
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The Two-nucleon system at next-to-next-to-next-to-leading order
TL;DR: In this paper, the two-nucleon system at N 3 LO was considered and the spectral function regularization for the multi-pion exchanges was employed to show that the three pion exchange contribution is negligibly small.
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Few-nucleon forces and systems in chiral effective field theory
Evgeny Epelbaum,Evgeny Epelbaum +1 more
TL;DR: In this paper, the structure of the nuclear force in the framework of chiral effective field theory of QCD and its applications to processes involving few nucleons are discussed. But they do not consider the nuclear forces in terms of the number of nucleons.
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