Cosmological Models of Gamma-Ray Bursts
Charles D. Dermer, Thomas J. Weiler
Abstract
We review models of cosmological gamma-ray bursts (GRBs). The statistical and γ-ray transparency issues are summarized. Neutron-star and black-hole merger scenarios are described and estimates of merger rates are summarized. We review the simple fireball models for GRBs and the recent work on non-simple fireballs. Alternative cosmological models, including models where GRBs are analogs of active galactic nuclei and where they are produced by high-field, short period pulsars, are also mentioned. The value of neutrino astronomy to solve the GRB puzzle is briefly reviewed.
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