X-ray Polarization of Gamma-Ray Bursts

Abstract

The degree and the temporal evolution of linear polarization in the prompt and afterglow emission of gamma-ray bursts is a very robust diagnostic of some key features of gamma-ray bursts jets and their micro and macro physics. In this contribution, I review the current status of the theory of polarized emission from GRB jets during the prompt, optical flash, and afterglow emission. I compare the theoretical predictions to the available observations and discuss the future prospect from both the theoretical and observational standpoints.

Proceedings of the conference "The coming of age of X-ray polarimetry", Rome, Italy, 27-30 April 2009