Marcio G B de Avellar, Jorge E Horvath
The composition of neutron stars is an issue that has been studied for decades. Yet we do not know exactly what these very compact objects are made of. At this stage of the technological development the best we can do is to constrain the range of equations of state via the mass-radius diagram. From the theoretical point of view the things are not easier. The theory of matter at high density and temperature is not well established. Keeping this in mind we applied the Information Theory as a novel way to restrict the range of possible equations of state for neutron stars. From our results, we conclude that if order costs energy, then nature should favour exotic strange quark stars over the hadronic neutron stars and that there is a trend for the types of compact stars of classified under the nomenclature "neutrons stars" to be at a state of minimum complexity.
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http://arxiv.org/abs/1308.1033
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