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General Relativity and Quantum Cosmology

arXiv:1208.5874 (gr-qc)
[Submitted on 29 Aug 2012 (v1), last revised 4 Sep 2013 (this version, v2)]

Title:A possibility to solve the problems with quantizing gravity

Authors:S. Hossenfelder
View a PDF of the paper titled A possibility to solve the problems with quantizing gravity, by S. Hossenfelder
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Abstract:It is generally believed that quantum gravity is necessary to resolve the known tensions between general relativity and the quantum field theories of the standard model. Since perturbatively quantized gravity is non-renormalizable, the problem how to unify all interactions in a common framework has been open since the 1930s. Here, I propose a possibility to circumvent the known problems with quantizing gravity, as well as the known problems with leaving it unquantized: By changing the prescription for second quantization, a perturbative quantization of gravity is sufficient as an effective theory because matter becomes classical before the perturbative expansion breaks down. This is achieved by considering the vanishing commutator between a field and its conjugated momentum as a symmetry that is broken at low temperatures, and by this generates the quantum phase that we currently live in, while at high temperatures Planck's constant goes to zero.
Comments: replaced with published version
Subjects: General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:1208.5874 [gr-qc]
  (or arXiv:1208.5874v2 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.1208.5874
arXiv-issued DOI via DataCite
Journal reference: Phys. Lett. B 725 (2013), pp. 473-476
Related DOI: https://doi.org/10.1016/j.physletb.2013.07.037
DOI(s) linking to related resources

Submission history

From: Sabine Hossenfelder [view email]
[v1] Wed, 29 Aug 2012 09:55:21 UTC (36 KB)
[v2] Wed, 4 Sep 2013 07:54:02 UTC (30 KB)
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