Ferromagnetism of Nuclear Matter in the Relativistic Approach

Details Ferromagnetism of Nuclear Matter in the Relativistic Approach Ferromagnetism of Nuclear Matter in the Relativistic Approach

2000-10-05

arxiv.org/abs/nucl-th/0010018v2

Nucl.Phys. A693 (2001) 710-730

Physics

Nuclear Physics

Nuclear Theory

18 pages, 7 figures, 1 table

Scientific paper

10.1016/S0375-9474(01)00811-9

We study the spin-polarization mechanism in the highly dense nuclear matter with the relativistic mean-field approach. In the relativistic Hartree-Fock framework we find that there are two kinds of spin-spin interaction channels, which are the axial-vector and tensor exchange ones. If each interaction is strong and different sign, the system loses the spherical symmetry and holds the spin-polarization in the high-density region. When the axial-vector interaction is negative enough, the system holds ferromagnetism.

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