1209.3355 (Zoran Pazameta)

A three-layer preon star model from exact piecewise-continuous solutions of Einstein's equations    [PDF]

Zoran Pazameta

A metric of Birkhoffian form is employed to model a hybrid astrophysical compact object consisting of a preon gas core, a mantle of electrically charged hot quark-gluon plasma, and an outer envelope of charged hadronic matter which is matched to an exterior Reissner-Nordstr\"om vacuum. The piecewise-continuous metric and the pressure and density functions consist of polynomials that are everywhere well-behaved. Boundary conditions at each interface yield estimates for physical parameters applicable to each layer, and to the star as a whole.

View original: http://arxiv.org/abs/1209.3355