Spherical Symmetric Solutions in Hořava-Lifshitz Gravity and their Properties

Abstract

Non-projectable Hořava gravity for a spherically symmetric configuration with $\lambda =1$ exhibits an infinite set of solutions parametrized by a generic function $g^2(r)$ for the radial component of the shift vector. In the IR limit the infinite set of solutions corresponds to the invariance of General Relativity under a spacetime reparametrization. In general, not being a coordinate transformation, the symmetry in the action responsible for the infinite set of solutions does not have a clear physical interpretation. Indeed it is broken by the matter term in the action. We study the behavior of the solutions for generic values of the parameter $g^2(r)$.

References added

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Cited by in corpus (2)

• Closure of the algebra of constraints for a nonprojectable Hořava model
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