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Quantum Gravity Relativistic Quantum Information

Tantum Gravity

arXiv
Authors: Florian Ecker, Adrien Fiorucci, Daniel Grumiller

Year

2024

Paper ID

301

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

We argue there is an interesting triple-scaling limit of quantum gravity, namely when Planck's constant scales to infinity while Newton's constant and the speed of light tend to zero, keeping fixed the gravitational coupling GN c-4 and the combination hbar c. We refer to this limiting theory as "tantum gravity" and describe in this Letter some of its main properties and prospects for physics. Most notably, the laws of black hole thermodynamics survive this limit, which means that puzzles related to black holes and their evaporation could be addressed more easily in tantum gravity than in fully-fledged quantum gravity.

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  • We argue there is an interesting triple-scaling limit of quantum gravity, namely when Planck's constant scales to infinity while Newton's constant and the speed of light tend...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2501.00095 [2] arXiv https://arxiv.org/abs/2501.00095 [3] Publisher https://arxiv.org/abs/2501.00095

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