Gamma-ray burst polarization reduction induced by the Lorentz invariance violation

Understand

It has been observed that photons in the prompt emission of some gamma-ray bursts (GRBs) are highly polarized.

• The high polarization is used by some authors to give a strict constraint on the Lorentz invariance violation (LIV).
• If the Lorentz invariance is broken, the polarization vector of a photon may rotate during its propagation.
• The rotation angle of polarization vector depends on both the photon energy and the distance of source.