Understand
We reconsider spherically symmetric black hole solutions in Einstein-Aether theory with the condition that this theory has identical PPN parameters as those for general relativity, which is the main difference from the previous research.
- In contrast with previous study, we allow superluminal propagation of a spin-0 Aether-gravity wave mode.
- As a result, we obtain black holes having a spin-0 "horizon" inside an event horizon.
- We allow a singularity at a spin-0 "horizon" since it is concealed by the event horizon.
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