Gamma Ray Bursts as Probes of Quantum Gravity

Details Gamma Ray Bursts as Probes of Quantum Gravity Gamma Ray Bursts as Probes of Quantum Gravity

2004-07-21

arxiv.org/abs/astro-ph/0407462v1

Astronomy and Astrophysics

Astrophysics

Lectures given at the 40th winter school of theretical physics: Quantum Gravity and Phenomenology, Feb. 2004 Poland

Scientific paper

10.1007/11377306_10

Gamma ray bursts (GRBs) are short and intense pulses of $\gamma$-rays arriving from random directions in the sky. Several years ago Amelino-Camelia et al. pointed out that a comparison of time of arrival of photons at different energies from a GRB could be used to measure (or obtain a limit on) possible deviations from a constant speed of light at high photons energies. I review here our current understanding of GRBs and reconsider the possibility of performing these observations.

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