PT Journal
AU Davesne, D
   Holt, JW
   Navarro, J
   Pastore, A
TI Landau sum rules with noncentral quasiparticle interactions
SO Physical Review C
JI Phys. Rev. C
PY 2023
BP 034003
EP 7pp
VL 108
IS 3
DI 10.1103/PhysRevC.108.034003
LA English
AB We derive explicit expressions for the Landau sum rules for the case of the most general spin-dependent quasiparticle interaction including all possible tensor interactions. For pure neutron matter, we investigate the convergence of the sum rules at different orders of approximation. Employing modern nuclear Hamiltonians based on chiral effective field theory, we find that the inclusion of noncentral interactions improves the convergence of the sum rules only for low densities (n <= 0.1 fm-3). Around nuclear matter saturation density, we find that even ostensibly perturbative nuclear interactions violate the sum rules considerably. By artificially weakening the strength of the nuclear Hamiltonian, the convergence can be improved.
ER