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On the Formation of Heavy Neutrino Stars During a Gravitational Phase Transition

In the framework of the Thomas-Fermi model at finite temperature, we show that a cooling non-degenerate gas of massive neutrinos will, at a certain temperature, undergo a phase transition in which quasi-degenerate supermassive neutrino stars are formed through gravitational collapse. For neutrinos in the mass range of 10 to 25 keV/c$^{2}$, these compact dark objects could mimic the role of supermassive black holes that are usually assumed to exist at the centres of galaxies and quasi-stellar objects.

neutrino; Thomas-Fermi model; phase transition; black hole; gravitational collapse; neutrino star

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