2012
DOI: 10.1016/j.nuclphysa.2011.12.001
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Quasiparticle interaction in nuclear matter with chiral three-nucleon forces

Abstract: We derive the effective interaction between two quasiparticles in symmetric nuclear matter resulting from the leading-order chiral three-nucleon force. We restrict our study to the L = 0, 1 Landau parameters of the central quasiparticle interaction computed to first order. We find that the three-nucleon force provides substantial repulsion in the isotropic spin-and isospin-independent component F 0 of the interaction. This repulsion acts to stabilize nuclear matter against isoscalar density oscillations, a fea… Show more

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Cited by 36 publications
(37 citation statements)
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“…[2]. Concerning the noncentral quasiparticle interaction, V med,3 N N produces no tensor forces in pure neutron matter.…”
Section: Landau Parameters From Chiral 3n Interactionmentioning
confidence: 97%
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“…[2]. Concerning the noncentral quasiparticle interaction, V med,3 N N produces no tensor forces in pure neutron matter.…”
Section: Landau Parameters From Chiral 3n Interactionmentioning
confidence: 97%
“…[2] for the case of symmetric nuclear matter where additional three-nucleon forces proportional to the low-energy constants c 4 , c D and c E are present. The qualitative similarities between the quasiparticle interaction in neutron matter and symmetric nuclear matter from three-body forces are due to the dominant role played by contributions proportional to the low-energy constant c 3 [2]. Neglecting effects from noncentral Fermi liquid parameters, the chiral three-neutron force at leading order tends to enhance the spin susceptibility χ of neutron matter (see eq.…”
Section: B Neutron Matter Quasiparticle Interactionmentioning
confidence: 99%
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“…The inhomogeneous phase of nuclear matter en-countered in neutron star crusts depends also on gradient contributions to the energy density. Previous work has focused on the leading-order Hartree-Fock contribution to the isoscalar and isovector gradient couplings from the density matrix expansion [34][35][36], ab initio studies of the isovector gradient coupling strength from quantum Monte Carlo simulations of pure neutron matter [37,38], and nuclear response functions in Fermi liquid theory [39][40][41][42].…”
Section: Introductionmentioning
confidence: 99%