A unified constraint on the Lorentz invariance violation from both short and long GRBs

Details A unified constraint on the Lorentz invariance violation from both short and long GRBs A unified constraint on the Lorentz invariance violation from both short and long GRBs

2012-01-17

arxiv.org/abs/1201.3413v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

5 pages, 1 figures

Scientific paper

Possible Lorentz invariance violation (LIV) has been investigated for a long time based on observations of GRBs . These arguments relied on the assumption that photons with different energy are emitted at the same place and time. In this work, we try to take account of the intrinsic time delay $\Delta t_{\rm int}$ between emissions of low and high energy photons by using the magnetic jet model. The possible LIV effects are discussed in a unified scenario both for long and short {\it Fermi}-detected GRBs. This leads to a unique quantum gravity energy scale $M_1c^2 \sim 1.0 \times 10^{20}$ GeV respecting the linear dispersion relation.

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