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Lorentzian quantum gravity and the graviton spectral function

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We present the first direct and nonperturbative computation of the graviton spectral function in quantum gravity. This is achieved with the help of a novel Lorentzian renormalization group approach, combined with a spectral representation of correlation functions. We find a positive graviton spectra...

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Main Authors: Fehre, Jannik (Author) , Litim, Daniel F. (Author) , Pawlowski, Jan M. (Author) , Reichert, Manuel (Author)
Format: Article (Journal)
Language:English
Published: 2023
In: Physical review letters
Year: 2023, Volume: 130, Issue: 8, Pages: 1-6
ISSN:1079-7114
DOI:10.1103/PhysRevLett.130.081501
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.130.081501
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.130.081501
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Author Notes:Jannik Fehre, Daniel F. Litim, Jan M. Pawlowski, and Manuel Reichert
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Lorentzian quantum gravity and the graviton spectral function by Fehre, Jannik (Author) , Litim, Daniel F. (Author) , Pawlowski, Jan M. (Author) , Reichert, Manuel (Author) ,


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