The Equation of State of Dense Matter : from Nuclear Collisions to Neutron Stars - Nuclear TheoryReportar como inadecuado




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Abstract: The Equation of State EoS of dense matter represents a central issue in thestudy of compact astrophysical objects and heavy ion reactions at intermediateand relativistic energies. We have derived a nuclear EoS with nucleons andhyperons within the Brueckner-Hartree-Fock approach, and joined it with quarkmatter EoS. For that, we have employed the MIT bag model, as well as theNambu-Jona-Lasinio NJL and the Color Dielectric CD models, and found thatthe NS maximum masses are not larger than 1.7 solar masses. A comparison withavailable data supports the idea that dense matter EoS should be soft at lowdensity and quite stiff at high density.



Autor: Fiorella Burgio INFN Sezione di Catania, Italy

Fuente: https://arxiv.org/



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