Æther as an Inevitable Consequence of Quantum Gravity

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...

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Main Authors: Sergey Cherkas, Vladimir Kalashnikov
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Universe
Subjects:
Online Access:https://www.mdpi.com/2218-1997/8/12/626
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author Sergey Cherkas
Vladimir Kalashnikov
author_facet Sergey Cherkas
Vladimir Kalashnikov
author_sort Sergey Cherkas
collection DOAJ
description 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.
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spelling doaj.art-5de0c3cff19e43178cafb5b132760e182023-11-24T18:29:06ZengMDPI AGUniverse2218-19972022-11-0181262610.3390/universe8120626Æther as an Inevitable Consequence of Quantum GravitySergey Cherkas0Vladimir Kalashnikov1Institute for Nuclear Problems, Bobruiskaya 11, 220006 Minsk, BelarusDepartment of Physics, Norwegian University of Science and Technology, 7491 Trondheim, NorwayThe 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.https://www.mdpi.com/2218-1997/8/12/626vacuum energypreferred reference framevacuum statequantum gravity
spellingShingle Sergey Cherkas
Vladimir Kalashnikov
Æther as an Inevitable Consequence of Quantum Gravity
Universe
vacuum energy
preferred reference frame
vacuum state
quantum gravity
title Æther as an Inevitable Consequence of Quantum Gravity
title_full Æther as an Inevitable Consequence of Quantum Gravity
title_fullStr Æther as an Inevitable Consequence of Quantum Gravity
title_full_unstemmed Æther as an Inevitable Consequence of Quantum Gravity
title_short Æther as an Inevitable Consequence of Quantum Gravity
title_sort aether as an inevitable consequence of quantum gravity
topic vacuum energy
preferred reference frame
vacuum state
quantum gravity
url https://www.mdpi.com/2218-1997/8/12/626
work_keys_str_mv AT sergeycherkas ætherasaninevitableconsequenceofquantumgravity
AT vladimirkalashnikov ætherasaninevitableconsequenceofquantumgravity