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Extended Horava gravity and Einstein-aether theory

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arxiv 1001.4823 v3 pith:CHOEGWZX submitted 2010-01-27 hep-th astro-ph.HEgr-qchep-ph

classification hep-thastro-ph.HEgr-qchep-ph
keywords theoryeinstein-aethergravityhoravahypersurfacelimitorthogonalsolutions
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Einstein-aether theory is general relativity coupled to a dynamical, unit timelike vector. If this vector is restricted in the action to be hypersurface orthogonal, the theory is identical to the IR limit of the extension of Horava gravity proposed by Blas, Pujol\`{a}s and Sibiryakov. Hypersurface orthogonal solutions of Einstein-aether theory are solutions to the IR limit of this theory, hence numerous results already obtained for Einstein-aether theory carry over.

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Cited by 3 Pith papers

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  1. A Material Frame: Hard Recoils from Slow Force Carriers

    hep-ph 2026-07 conditional novelty 7.0 of 10

    Making the photon's longitudinal mode a physical, ultra-slow particle turns gauge invariance into a smooth limit and predicts rare, hard recoils of charges against a preferred frame, bounded to c_L ≲ 10^-60 by xenon d...

  2. Einstein-aether Elliptic Charges and the First Law of Asymptotically AdS Black Holes

    gr-qc 2026-06 unverdicted novelty 6.0 of 10

    Einstein-aether theory admits an elliptic charge arising from a symmetry of the reduced action that explains the misalignment contribution to the first law for asymptotically AdS universal horizons.

  3. Black hole solutions with a linear equation of state in Ho\v{r}ava gravity and Einstein--{\ae}ther theory

    gr-qc 2025-12 conditional novelty 5.0 of 10

    Three families of static spherically symmetric black-hole solutions in Hořava/Einstein-æther theory are generated from chosen linear equations of state, yielding RN-like, extremal degenerate-horizon, and repulsive-pot...

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