Quark matter influence on observational properties of compact stars

Details Quark matter influence on observational properties of compact stars Quark matter influence on observational properties of compact stars

2008-10-14

arxiv.org/abs/0810.2306v1

Nucl. Phys. A820 (2009), 211-214

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 images. To be published in the proceedings of SEWM 2008, Nucl. Phys. A, in print

Scientific paper

10.1016/j.nuclphysa.2009.01.052

Densities in compact stars may be such that quarks are no longer confined in hadrons, but instead behave as weakly interacting particles. In this regime perturbative calculations are possible. Yet, due to high pressures and an attractive channel in the strong force, condensation of quarks in a superfluid state is likely. This can have interesting consequences for magnetic fields, especially in relation to the discovery of slow-period free precession in a compact star. In this proceedings there will be a discussion of the mass-radius relations of compact stars made from quark matter and magnetic field behaviour in compact stars with a quark matter core.

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