Ground state energy of spin polarized quark matter with correlation

Details Ground state energy of spin polarized quark matter with correlation Ground state energy of spin polarized quark matter with correlation

2009-05-27

arxiv.org/abs/0905.4397v2

Phys.Rev.C80:024903,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 7 figures, new references added, accepted to be published in Phys.Rev C

Scientific paper

10.1103/PhysRevC.80.024903

We calculate the ground state energy of cold and dense spin polarized quark matter with corrections due to correlation energy $(E_{corr})$. Expressions for $E_{corr}$ both in the non-relativistic and ultra-relativistic regimes have been derived and compared with the exchange and kinetic term present in the perturbation series. It is observed that the inclusion of correlation energy does not rule out the possibility of the ferromagnetic phase transition at low density within the model proposed by Tatsumi\cite{tatsumi00}. We also derive the spin stiffness constant in the high density limit of such a spin polarized matter.

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