Cracking of general relativistic anisotropic polytropes
arXiv:1509.07143 · doi:10.1103/PhysRevD.93.024047
Abstract
We discuss the effect that small fluctuations of local anisotropy of pressure, and energy density, may have on the occurrence of cracking in spherical compact objects, satisfying a polytropic equation of state. Two different kind of polytropes are considered. For both, it is shown that departures from equilibrium may lead to the appearance of cracking, for a wide range of values of the parameters defining the polytrope. Prospective applications of the obtained results, to some astrophysical scenarios, are pointed out.
Some typos corrected. Few references added. Matches the version published in Phys.Rev.D
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