Interplay between Spin Polarization and Color Superconductivity in High Density Quark Matter

Abstract

Here, it is suggested that a four-point interaction of the tensor type may lead to spin polarization in quark matter at high density. It is found that the two-flavor superconducting phase and the spin polarized phase correspond to distinct local minima of a certain generalized thermodynamical potential. It follows that the transition from one to the other phase occurs passing through true minima with both a spin polarization and a color superconducting gap. It is shown that the quark spin polarized phase is realized at rather high density, while the two-flavor color superconducting phase is realized at a lower density region.

21 pages, 3 figures

References in corpus (7)

• Color superconductivity in dense quark matter
• The phase diagram of dense QCD
• Quark matter in neutron stars within the Nambu - Jona-Lasinio model and confinement
• Effective Potential Approach to Quark Ferromagnetization in High Density Quark Matter
• Compact stars with a quark core within NJL model
• Color symmetric superconductivity in a phenomenological QCD model
• Ferromagnetic condensation in high density hadronic matter

Cited by in corpus (6)

• Spontaneous magnetization in high-density quark matter
• Spin Polarized versus Chiral Condensate in Quark Matter at Finite Temperature and Density
• Spin polarization and color superconductivity in the Nambu--Jona-Lasinio model at finite temperature
• Hybrid stars from the NJL model with a tensor interaction
• Schwinger-Keldysh approach to tunneling transport at a hadron-quark interface
• Axial-Vector and Tensor Spin Polarization and Chiral Restoration in Quark Matter