Symmetric and anti-symmetric Landau parameters and magnetic properties of dense quark matter

Details Symmetric and anti-symmetric Landau parameters and magnetic properties of dense quark matter Symmetric and anti-symmetric Landau parameters and magnetic properties of dense quark matter

2010-01-07

arxiv.org/abs/1001.1067v2

Phys. Rev. C. 81, 054906 (2010)

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 5 figures, abstract and introduction modifified. Published in Phys. Rev. C. 81, 054906 (2010)

Scientific paper

10.1103/PhysRevC.81.054906

We calculate the dimensionless Fermi liquid parameters (FLPs), $F_{0,1}^{sym}$ and $F_{0,1}^{asym}$, for spin asymmetric dense quark matter. In general, the FLPs are infrared divergent due to the exchange of massless gluons. To remove such divergences, the Hard Density Loop (HDL) corrected gluon propagator is used. The FLPs so determined are then invoked to calculate magnetic properties such as magnetization $\langle M\rangle$ and magnetic susceptibility $\chi_M$ of spin polarized quark matter. Finally, we investigate the possibility of magnetic instability by studying the density dependence of $\langle M\rangle$ and $\chi_M$.

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