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GAMMA-RAY-BURSTS AND QUARK PHASES

    https://doi.org/10.1142/9789812708793_0017Cited by:0 (Source: Crossref)
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    Abstract:

    We discuss the temporal structure of the Gamma-Ray-Bursts (GRBs) light curves and we analyse the occurrence of quiescent times which are long periods within the prompt emission in which the inner engine is not active. We show that if a long quiescent time is present, it is possible to divide the total duration of GRBs into three periods: the pre-quiescence emission, the quiescent time and the post-quiescence emission. We then discuss a model of the GRBs inner engine based on the formation of quark phases during the life of an hadronic star. Within this model the pre-quiescence emission is interpreted as due to the deconfinement of quark inside an hadronic star and the formation of 2SC quark matter or unpaired quark matter (UQM). The post-quiescence emission is due to the conversion of 2SC (or UQM) into the Color-Flavor-Locking (CFL) phase. The temporal delay between these two processes is connected with the nucleation time of the CFL phase in the 2SC (UQM) phase and it can be associated with the observed quiescent times in the GRBs light curves.