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Warped vacuum energy by black holes
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abstract
The belief still persists, at least for an important part of the community, that in general relativity the cosmological constant $\Lambda$ must remain immaculate. However, Bianchi identities show that $\Lambda$ could acquire local properties in the presence of matter, i.e., $\Lambda\rightarrow\,\Lambda(x^\mu)$. In this paper we go even further, and we show that a non-uniform vacuum energy does not even require coexistence with any additional form of matter-energy, nor of any theory beyond general relativity, at least for extreme environments, such as the proximity of a black hole.
Forward citations
Cited by 2 Pith papers
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Regular black holes with Minkowskian cores: causal structure and observational degeneracy
Regular black holes with Minkowskian cores constructed by gravitational decoupling produce shadows and accretion-disk images nearly indistinguishable from Kerr/Schwarzschild despite radically different interiors.
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On static and rotating decoupled black holes without inner horizons
The authors construct a family of static and rotating black hole metrics with an extra 1/r^n hair that, for negative hair parameter, removes the Cauchy horizon and makes the central singularity spacelike.
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