Æther as an Inevitable Consequence of Quantum Gravity
Peer reviewed, Journal article
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OriginalversjonUniverse. 2022, 8 (12), . 10.3390/universe8120626
The fact that quantum gravity does not admit an invariant vacuum state has far-reaching consequences for all physics. It points out that space could not be empty, and we return to the notion of an æther. Such a concept requires a preferred reference frame for describing universe expansion and black holes. Here, we intend to find a reference system or class of metrics that could be attributed to “æther”. We discuss a vacuum and quantum gravity from three essential viewpoints: universe expansion, black hole existence, and quantum decoherence.