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Comments on Challenges for Quantum Gravity
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🌀 gr-qc
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boundslorentzarisingassociatedchallengescommentsconsideredcorrections
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We examine radiative corrections arising from Lorentz violating dimension five operators presumably associated with Planck scale physics as recently considered by Myers and Pospelov. We find that observational data result in bounds on the dimensionless parameters of the order $10^{-15}$. These represent the most stringent bounds on Lorentz violation to date.
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