Polarization Contributions to the Spin Dependence of the Effective Interaction in Neutron Matter
Polarization Contributions to the Spin Dependence of the Effective Interaction in Neutron Matter
We calculate the modification of the effective interaction of particles on the Fermi surface due to polarization contributions, with particular attention to spin-dependent forces. In addition to the standard spin-spin, tensor, and spin-orbit forces, spin nonconserving effective interactions are induced by screening in the particle-hole channels. Furthermore, a novel long-wavelength …