Can Pulsars be used to Probe Quantum Gravity?

Details Can Pulsars be used to Probe Quantum Gravity? Can Pulsars be used to Probe Quantum Gravity?

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006chjas...6b.193k&link_type=abstract

Chinese Journal of Astronomy and Astrophysics, Supplement, Volume 6, Issue S2, Proceedings of the 2005 Lake Hanas International

Astronomy and Astrophysics

Astrophysics

Pulsars: General, Pulsars: Individual (Psr B1937+21, Crab Pulsar), Gravitation, Gamma Rays:Theory

Scientific paper

Several radio pulsars have now been shown to emit giant pulses that align in phase with high energy emission rather than with their integrated pulse components. We investigate whether timing of giant and grees pulses can be used to improve limits on the energy scale of quantum gravity by placing bounds on the energy dependence of the speed of light. We find good sources for this experiment are putative Crab-like pulsars in M31, which should in principle be detectable by the current generation of radio telescopes. However, the detection of pulsed emission from their grees counterparts seems unlikely in the near future.

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