Spin- and isospin-polarized states of nuclear matter in the Dirac-Brueckner-Hartree-Fock model

Details Spin- and isospin-polarized states of nuclear matter in the Dirac-Brueckner-Hartree-Fock model Spin- and isospin-polarized states of nuclear matter in the Dirac-Brueckner-Hartree-Fock model

2011-04-03

arxiv.org/abs/1104.0437v1

Phys.Rev.C83:064304,2011

Physics

Nuclear Physics

Nuclear Theory

8 pages, 6 figures

Scientific paper

10.1103/PhysRevC.83.064304

Spin-polarized isospin asymmetric nuclear matter is studied within the Dirac-Brueckner-Hartree-Fock approach. After a brief review of the formalism, we present and discuss the self-consistent single-particle potentials at various levels of spin and isospin asymmetry. We then move to predictions of the energy per particle, also under different conditions of isospin and spin polarization. Comparison with the energy per particle in isospin symmetric or asymmetric unpolarized nuclear matter shows no evidence for a phase transition to a spin ordered state, neither ferromagnetic nor antiferromagnetic.

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