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Relativistic Gravity With a Dynamical Preferred Frame

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arxiv gr-qc/0112012 v1 pith:54W5MBCN submitted 2001-12-07 gr-qc astro-phhep-th

classification gr-qcastro-phhep-th
keywords invariancelorentzbrokengravitytheoryanomaliesastrophysicalbeen
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While general relativity possesses local Lorentz invariance, both canonical quantum gravity and string theory suggest that Lorentz invariance may be broken at high energies. Broken Lorentz invariance has also been postulated as an explanation for astrophysical anomalies such as the missing GZK cutoff. Therefore, we seek an effective field theory description of gravity where Lorentz invariance is broken. We will construct a candidate theory and then briefly discuss some of the implications.

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Cited by 1 Pith paper

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    The paper derives radiative equations of motion for Einstein-Aether compact binaries to 2.5PN order and reports energy-loss rates that contradict earlier flux-based calculations, with the dipole rate depending only on...

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