Fast Cooling of Neutron Stars: Superfluidity versus Heating and Accreted Envelope

摘要

It is generally considered that the neutron star cooling scenarios involving fast neutrino emission, from a kaon or pion condensate, quark matter, or the direct Urca process, require the presence of baryon pairing in the central core of the star to control the strong neutrino emission and to produce surface temperatures compatible with observations.