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Iterated and irreducible pion-photon exchange in nuclei
N. Kaiser
We calculate the contribution to the nuclear energy density functional which arises from iterated pion-photon exchange between nucleons. In heavy nuclei, this novel charge symmetry…
Nuclear energy density functional from chiral pion-nucleon dynamics: Isovector spin-orbit terms
N. Kaiser
We extend a recent calculation of the nuclear energy density functional in the systematic framework of chiral perturbation theory by computing the isovector spin-orbit terms: $(\ve…
Three-body spin-orbit forces from chiral two-pion exchange
N. Kaiser
Using chiral perturbation theory, we calculate the density-dependent spin-orbit coupling generated by the two-pion exchange three-nucleon interaction involving virtual -isobar e…
Chiral approach to nuclear matter: Role of explicit short-range NN-terms
S. Fritsch, N. Kaiser
We extend a recent chiral approach to nuclear matter by including the most general (momentum-independent) NN-contact interaction. Iterating this two-parameter contact-vertex with i…
Relativistic nuclear model with point-couplings constrained by QCD and chiral symmetry
P. Finelli, N. Kaiser, D. Vretenar +1
We derive a microscopic relativistic point-coupling model of nuclear many-body dynamics constrained by in-medium QCD sum rules and chiral symmetry. The effective Lagrangian is char…
Spectral functions of isoscalar scalar and isovector electromagnetic form factors of the nucleon at two-loop order
N. Kaiser
We calculate the imaginary parts of the isoscalar scalar and isovector electromagnetic form factors of the nucleon up to two-loop order in chiral perturbation theory. Particular at…