Photon Energy Upshift by Gravitational Waves a Possible Source of X-ray Bursts

Details Photon Energy Upshift by Gravitational Waves a Possible Source of X-ray Bursts Photon Energy Upshift by Gravitational Waves a Possible Source of X-ray Bursts

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sgrb.confe...7b&link_type=abstract

Presented at the KITP Conference: Supernova and Gamma-Ray Burst Remnants, Feb 10, 2006, Kavli Institute for Theoretical Physics,

Physics

Scientific paper

For events as violent as the core-collapse of stars and merger of blackholes, one of the largest portions of energy released is throughgravitational radiation. This leads to a number o important issues. Forinstance, does there exist any mechanism by which some of the GW energy maybe transferred to photons and other particles? If such a mechanismexists, how relevant is it for energetic events like gamma ray bursts(GRBs). Here we consider the propagation of light from an isolated sourcethat emits gravitational waves .The eikonal approach is employed todetermine the transfer of energy from the gravitational to electromagneticradiation. It is found that, a significant upshift of photon energy canoccur according to a power-law buildup over the radial distance. Thissomewhat surprising effect may be responsible for some of the unexplainedhigh energy phenomena in the cosmos involving gamma rays or other forms ofastro-particles.

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