Effects of a strong phase transition on supernova explosions, compact stars and their mergers

Abstract

We outline a theoretical approach supporting strong phase transitions from normal nuclear matter to the deconfined quark-gluon plasma, in the equation of state (EOS) for compact star matter. Implications of this hypothesis are discussed for astrophysical applications. Special emphasis is devoted to potentially detectable signatures, which can be directly related with the occurrence of a sufficiently strong phase transition. Therefore, simulations of core-collapse supernovae and binary compact star mergers are considered, including the subsequent emission of gravitational waves and, in the case of supernova, in addition the neutrinos play the role of messengers.

39 pages, 13 figures, contribution submitted on 20.02.2022 to the Book "Astrophysics in the XXI Century with Compact Stars", edited by Cesar Augusto Zen Vasconcellos and Fridolin Weber, World Scientific

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