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Constraining the Mass of the Photon with Gamma-Ray Bursts

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arxiv 1607.03225 v1 pith:JLPDGM7Q submitted 2016-07-12 astro-ph.HE

Bo Zhang , Ya-Ting Chai , Yuan-Chuan Zou , Xue-Feng Wu This is my paper · ORCID
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keywords massphotontimewellafterglowburstsconstrainteinstein
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One of the cornerstones of modern physics is Einstein's special relativity, with its constant speed of light and zero photon mass assumptions. Constraint on the rest mass m_{\gamma} of photons is a fundamental way to test Einstein's theory, as well as other essential electromagnetic and particle theories. Since non-zero photon mass can give rise to frequency-(or energy-) dependent dispersions, measuring the time delay of photons with different frequencies emitted from explosive astrophysical events is an important and model-independent method to put such a constraint. The cosmological gamma-ray bursts (GRBs), with short time scales, high redshifts as well as broadband prompt and afterglow emissions, provide an ideal testbed for m_{\gamma} constraints. In this paper we calculate the upper limits of the photon mass with GRB early time radio afterglow observations as well as multi-band radio peaks, thus improve the results of Schaefer (1999) by nearly half an order of magnitude.

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  1. Bounding the photon mass with gravitationally lensed fast radio bursts

    astro-ph.HE 2024-12 conditional novelty 6.0 of 10

    Using the time delay and flux ratio of the lensed FRB candidate FRB 20190308C, the authors derive an upper bound on the photon mass of 5.3e-42 kg for a lens shear of 0.01, and between 2.4e-42 and 2.1e-41 kg over the a...

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